diff options
78 files changed, 518 insertions, 631 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 962232d6278..3e25ba82e0f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5637,7 +5637,7 @@ M: Ohad Ben-Cohen <ohad@wizery.com> S: Maintained F: drivers/remoteproc/ F: Documentation/remoteproc.txt -F: include/linux/remoteproc.txt +F: include/linux/remoteproc.h RFKILL M: Johannes Berg <johannes@sipsolutions.net> @@ -6287,6 +6287,15 @@ F: drivers/tty/serial/sunsu.c F: drivers/tty/serial/sunzilog.c F: drivers/tty/serial/sunzilog.h +SPARSE CHECKER +M: "Christopher Li" <sparse@chrisli.org> +L: linux-sparse@vger.kernel.org +W: https://sparse.wiki.kernel.org/ +T: git git://git.kernel.org/pub/scm/devel/sparse/sparse.git +T: git git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git +S: Maintained +F: include/linux/compiler.h + SPEAR PLATFORM SUPPORT M: Viresh Kumar <viresh.kumar@st.com> L: spear-devel@list.st.com diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index 6f7feb5db27..35f2ef44de1 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c @@ -120,12 +120,13 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, */ SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask) { - mask &= _BLOCKABLE; - spin_lock_irq(¤t->sighand->siglock); + sigset_t blocked; + current->saved_sigmask = current->blocked; - siginitset(¤t->blocked, mask); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + + mask &= _BLOCKABLE; + siginitset(&blocked, mask); + set_current_blocked(&blocked); current->state = TASK_INTERRUPTIBLE; schedule(); @@ -238,10 +239,7 @@ do_sigreturn(struct sigcontext __user *sc, struct pt_regs *regs, goto give_sigsegv; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(sc, regs, sw)) goto give_sigsegv; @@ -276,10 +274,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame, struct pt_regs *regs, goto give_sigsegv; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(&frame->uc.uc_mcontext, regs, sw)) goto give_sigsegv; @@ -501,14 +496,8 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, else ret = setup_frame(sig, ka, oldset, regs, sw); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked,¤t->blocked,&ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked,sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c index 0c56a5aaf58..c56df9e932a 100644 --- a/arch/arm/mach-msm/smd_debug.c +++ b/arch/arm/mach-msm/smd_debug.c @@ -203,15 +203,9 @@ static ssize_t debug_read(struct file *file, char __user *buf, return simple_read_from_buffer(buf, count, ppos, debug_buffer, bsize); } -static int debug_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static const struct file_operations debug_ops = { .read = debug_read, - .open = debug_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c index 304f675826e..3b5a0509998 100644 --- a/arch/c6x/kernel/signal.c +++ b/arch/c6x/kernel/signal.c @@ -85,10 +85,7 @@ asmlinkage int do_rt_sigreturn(struct pt_regs *regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -279,15 +276,8 @@ static int handle_signal(int sig, /* Set up the stack frame */ ret = setup_rt_frame(sig, ka, info, oldset, regs); - if (ret == 0) { - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); - if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - } + if (ret == 0) + block_sigmask(ka, sig); return ret; } diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c index 90fcf62854b..1d5d31ea686 100644 --- a/arch/x86/kernel/kdebugfs.c +++ b/arch/x86/kernel/kdebugfs.c @@ -68,16 +68,9 @@ static ssize_t setup_data_read(struct file *file, char __user *user_buf, return count; } -static int setup_data_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations fops_setup_data = { .read = setup_data_read, - .open = setup_data_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index b258cab9061..7586544fddb 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -27,12 +27,6 @@ MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may " static struct dentry *acpi_ec_debugfs_dir; -static int acpi_ec_open_io(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t acpi_ec_read_io(struct file *f, char __user *buf, size_t count, loff_t *off) { @@ -95,7 +89,7 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf, static const struct file_operations acpi_ec_io_ops = { .owner = THIS_MODULE, - .open = acpi_ec_open_io, + .open = simple_open, .read = acpi_ec_read_io, .write = acpi_ec_write_io, .llseek = default_llseek, diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 58517a5dac1..251eb70f83e 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -27,12 +27,6 @@ static size_t regmap_calc_reg_len(int max_val, char *buf, size_t buf_size) return strlen(buf); } -static int regmap_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t regmap_name_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -57,7 +51,7 @@ static ssize_t regmap_name_read_file(struct file *file, } static const struct file_operations regmap_name_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_name_read_file, .llseek = default_llseek, }; @@ -174,7 +168,7 @@ static ssize_t regmap_map_write_file(struct file *file, #endif static const struct file_operations regmap_map_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_map_read_file, .write = regmap_map_write_file, .llseek = default_llseek, @@ -243,7 +237,7 @@ out: } static const struct file_operations regmap_access_fops = { - .open = regmap_open_file, + .open = simple_open, .read = regmap_access_read_file, .llseek = default_llseek, }; diff --git a/drivers/bluetooth/btmrvl_debugfs.c b/drivers/bluetooth/btmrvl_debugfs.c index 6c20bbb54b7..428dbb7574b 100644 --- a/drivers/bluetooth/btmrvl_debugfs.c +++ b/drivers/bluetooth/btmrvl_debugfs.c @@ -45,12 +45,6 @@ struct btmrvl_debugfs_data { struct dentry *txdnldready; }; -static int btmrvl_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t btmrvl_hscfgcmd_write(struct file *file, const char __user *ubuf, size_t count, loff_t *ppos) { @@ -93,7 +87,7 @@ static ssize_t btmrvl_hscfgcmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hscfgcmd_fops = { .read = btmrvl_hscfgcmd_read, .write = btmrvl_hscfgcmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -134,7 +128,7 @@ static ssize_t btmrvl_psmode_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_psmode_fops = { .read = btmrvl_psmode_read, .write = btmrvl_psmode_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -180,7 +174,7 @@ static ssize_t btmrvl_pscmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_pscmd_fops = { .read = btmrvl_pscmd_read, .write = btmrvl_pscmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -221,7 +215,7 @@ static ssize_t btmrvl_gpiogap_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_gpiogap_fops = { .read = btmrvl_gpiogap_read, .write = btmrvl_gpiogap_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -265,7 +259,7 @@ static ssize_t btmrvl_hscmd_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hscmd_fops = { .read = btmrvl_hscmd_read, .write = btmrvl_hscmd_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -305,7 +299,7 @@ static ssize_t btmrvl_hsmode_read(struct file *file, char __user * userbuf, static const struct file_operations btmrvl_hsmode_fops = { .read = btmrvl_hsmode_read, .write = btmrvl_hsmode_write, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -323,7 +317,7 @@ static ssize_t btmrvl_curpsmode_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_curpsmode_fops = { .read = btmrvl_curpsmode_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -341,7 +335,7 @@ static ssize_t btmrvl_psstate_read(struct file *file, char __user * userbuf, static const struct file_operations btmrvl_psstate_fops = { .read = btmrvl_psstate_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -359,7 +353,7 @@ static ssize_t btmrvl_hsstate_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_hsstate_fops = { .read = btmrvl_hsstate_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -378,7 +372,7 @@ static ssize_t btmrvl_txdnldready_read(struct file *file, char __user *userbuf, static const struct file_operations btmrvl_txdnldready_fops = { .read = btmrvl_txdnldready_read, - .open = btmrvl_open_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index b58b5618706..ddf86b6500b 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1038,12 +1038,6 @@ static struct attribute_group port_attribute_group = { .attrs = port_sysfs_entries, }; -static int debugfs_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, loff_t *offp) { @@ -1087,7 +1081,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, static const struct file_operations port_debugfs_ops = { .owner = THIS_MODULE, - .open = debugfs_open, + .open = simple_open, .read = debugfs_read, }; diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index dc89455f555..750925f9638 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -104,13 +104,6 @@ static void coh901318_list_print(struct coh901318_chan *cohc, static struct coh901318_base *debugfs_dma_base; static struct dentry *dma_dentry; -static int coh901318_debugfs_open(struct inode *inode, struct file *file) -{ - - file->private_data = inode->i_private; - return 0; -} - static int coh901318_debugfs_read(struct file *file, char __user *buf, size_t count, loff_t *f_pos) { @@ -158,7 +151,7 @@ static int coh901318_debugfs_read(struct file *file, char __user *buf, static const struct file_operations coh901318_debugfs_status_operations = { .owner = THIS_MODULE, - .open = coh901318_debugfs_open, + .open = simple_open, .read = coh901318_debugfs_read, .llseek = default_llseek, }; diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index fdb7ccefffb..b505b70dba0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1502,14 +1502,6 @@ static int i915_ppgtt_info(struct seq_file *m, void *data) return 0; } -static int -i915_debugfs_common_open(struct inode *inode, - struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t i915_wedged_read(struct file *filp, char __user *ubuf, @@ -1560,7 +1552,7 @@ i915_wedged_write(struct file *filp, static const struct file_operations i915_wedged_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_wedged_read, .write = i915_wedged_write, .llseek = default_llseek, @@ -1622,7 +1614,7 @@ i915_max_freq_write(struct file *filp, static const struct file_operations i915_max_freq_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_max_freq_read, .write = i915_max_freq_write, .llseek = default_llseek, @@ -1693,7 +1685,7 @@ i915_cache_sharing_write(struct file *filp, static const struct file_operations i915_cache_sharing_fops = { .owner = THIS_MODULE, - .open = i915_debugfs_common_open, + .open = simple_open, .read = i915_cache_sharing_read, .write = i915_cache_sharing_write, .llseek = default_llseek, diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c index 12f9777c385..45c3433f798 100644 --- a/drivers/hid/hid-picolcd.c +++ b/drivers/hid/hid-picolcd.c @@ -1525,12 +1525,6 @@ static const struct file_operations picolcd_debug_reset_fops = { /* * The "eeprom" file */ -static int picolcd_debug_eeprom_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, size_t s, loff_t *off) { @@ -1618,7 +1612,7 @@ static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, */ static const struct file_operations picolcd_debug_eeprom_fops = { .owner = THIS_MODULE, - .open = picolcd_debug_eeprom_open, + .open = simple_open, .read = picolcd_debug_eeprom_read, .write = picolcd_debug_eeprom_write, .llseek = generic_file_llseek, @@ -1627,12 +1621,6 @@ static const struct file_operations picolcd_debug_eeprom_fops = { /* * The "flash" file */ -static int picolcd_debug_flash_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - /* record a flash address to buf (bounds check to be done by caller) */ static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) { @@ -1817,7 +1805,7 @@ static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, */ static const struct file_operations picolcd_debug_flash_fops = { .owner = THIS_MODULE, - .open = picolcd_debug_flash_open, + .open = simple_open, .read = picolcd_debug_flash_read, .write = picolcd_debug_flash_write, .llseek = generic_file_llseek, diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c index 17dabc1f339..eec329197c1 100644 --- a/drivers/hid/hid-wiimote-debug.c +++ b/drivers/hid/hid-wiimote-debug.c @@ -23,12 +23,6 @@ struct wiimote_debug { struct dentry *drm; }; -static int wiidebug_eeprom_open(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, loff_t *off) { @@ -83,7 +77,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, static const struct file_operations wiidebug_eeprom_fops = { .owner = THIS_MODULE, - .open = wiidebug_eeprom_open, + .open = simple_open, .read = wiidebug_eeprom_read, .llseek = generic_file_llseek, }; diff --git a/drivers/idle/i7300_idle.c b/drivers/idle/i7300_idle.c index c976285d313..fa080ebd568 100644 --- a/drivers/idle/i7300_idle.c +++ b/drivers/idle/i7300_idle.c @@ -516,12 +516,6 @@ static struct notifier_block i7300_idle_nb = { MODULE_DEVICE_TABLE(pci, pci_tbl); -int stats_open_generic(struct inode *inode, struct file *fp) -{ - fp->private_data = inode->i_private; - return 0; -} - static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, loff_t *off) { @@ -534,7 +528,7 @@ static ssize_t stats_read_ul(struct file *fp, char __user *ubuf, size_t count, } static const struct file_operations idle_fops = { - .open = stats_open_generic, + .open = simple_open, .read = stats_read_ul, .llseek = default_llseek, }; diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c index 103dbd92e25..f55fc5dfbad 100644 --- a/drivers/iommu/omap-iommu-debug.c +++ b/drivers/iommu/omap-iommu-debug.c @@ -323,15 +323,9 @@ err_out: return count; } -static int debug_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUG_FOPS(name) \ static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ + .open = simple_open, \ .read = debug_read_##name, \ .write = debug_write_##name, \ .llseek = generic_file_llseek, \ @@ -339,7 +333,7 @@ static int debug_open_generic(struct inode *inode, struct file *file) #define DEBUG_FOPS_RO(name) \ static const struct file_operations debug_##name##_fops = { \ - .open = debug_open_generic, \ + .open = simple_open, \ .read = debug_read_##name, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c index 3aa36eb5c79..44a3fdbadef 100644 --- a/drivers/mfd/aat2870-core.c +++ b/drivers/mfd/aat2870-core.c @@ -262,13 +262,6 @@ static ssize_t aat2870_dump_reg(struct aat2870_data *aat2870, char *buf) return count; } -static int aat2870_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static ssize_t aat2870_reg_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -330,7 +323,7 @@ static ssize_t aat2870_reg_write_file(struct file *file, } static const struct file_operations aat2870_reg_fops = { - .open = aat2870_reg_open_file, + .open = simple_open, .read = aat2870_reg_read_file, .write = aat2870_reg_write_file, }; diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index 60107ee166f..1efad20fb17 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -483,12 +483,6 @@ struct ab3100_get_set_reg_priv { bool mode; }; -static int ab3100_get_set_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t ab3100_get_set_reg(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -583,7 +577,7 @@ static ssize_t ab3100_get_set_reg(struct file *file, } static const struct file_operations ab3100_get_set_reg_fops = { - .open = ab3100_get_set_reg_open_file, + .open = simple_open, .write = ab3100_get_set_reg, .llseek = noop_llseek, }; diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index 1c034b80d40..6673e578b3e 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c @@ -500,12 +500,6 @@ static ssize_t r_heartbeat_file_write(struct file *file, const char __user *buf, return 1; } -static int remote_settings_file_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static int remote_settings_file_close(struct inode *inode, struct file *file) { return 0; @@ -600,7 +594,7 @@ static const struct file_operations r_heartbeat_fops = { }; static const struct file_operations remote_settings_fops = { - .open = remote_settings_file_open, + .open = simple_open, .release = remote_settings_file_close, .read = remote_settings_file_read, .write = remote_settings_file_write, diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c index e2cdebf4084..61af9bb560a 100644 --- a/drivers/mtd/ubi/debug.c +++ b/drivers/mtd/ubi/debug.c @@ -386,19 +386,11 @@ out: return count; } -static int default_open(struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - /* File operations for all UBI debugfs files */ static const struct file_operations dfs_fops = { .read = dfs_file_read, .write = dfs_file_write, - .open = default_open, + .open = simple_open, .llseek = no_llseek, .owner = THIS_MODULE, }; diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index 96391c36fa7..b71ce9bf0af 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -127,12 +127,6 @@ static inline void dev_debugfs_rem(struct cfspi *cfspi) debugfs_remove(cfspi->dbgfs_dir); } -static int dbgfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dbgfs_state(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -243,13 +237,13 @@ static ssize_t dbgfs_frame(struct file *file, char __user *user_buf, } static const struct file_operations dbgfs_state_fops = { - .open = dbgfs_open, + .open = simple_open, .read = dbgfs_state, .owner = THIS_MODULE }; static const struct file_operations dbgfs_frame_fops = { - .open = dbgfs_open, + .open = simple_open, .read = dbgfs_frame, .owner = THIS_MODULE }; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 05ff076af06..b126b98065a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2000,13 +2000,6 @@ static const struct ethtool_ops cxgb_ethtool_ops = { /* * debugfs support */ - -static int mem_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t mem_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -2050,7 +2043,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count, static const struct file_operations mem_debugfs_fops = { .owner = THIS_MODULE, - .open = mem_open, + .open = simple_open, .read = mem_read, .llseek = default_llseek, }; diff --git a/drivers/net/wimax/i2400m/debugfs.c b/drivers/net/wimax/i2400m/debugfs.c index 129ba36bd04..4b66ab1d0e5 100644 --- a/drivers/net/wimax/i2400m/debugfs.c +++ b/drivers/net/wimax/i2400m/debugfs.c @@ -53,17 +53,6 @@ struct dentry *debugfs_create_netdev_queue_stopped( &fops_netdev_queue_stopped); } - -/* - * inode->i_private has the @data argument to debugfs_create_file() - */ -static -int i2400m_stats_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - /* * We don't allow partial reads of this file, as then the reader would * get weirdly confused data as it is updated. @@ -117,7 +106,7 @@ ssize_t i2400m_rx_stats_write(struct file *filp, const char __user *buffer, static const struct file_operations i2400m_rx_stats_fops = { .owner = THIS_MODULE, - .open = i2400m_stats_open, + .open = simple_open, .read = i2400m_rx_stats_read, .write = i2400m_rx_stats_write, .llseek = default_llseek, @@ -170,7 +159,7 @@ ssize_t i2400m_tx_stats_write(struct file *filp, const char __user *buffer, static const struct file_operations i2400m_tx_stats_fops = { .owner = THIS_MODULE, - .open = i2400m_stats_open, + .open = simple_open, .read = i2400m_tx_stats_read, .write = i2400m_tx_stats_write, .llseek = default_llseek, diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index 8c5ce8b0c73..e5e8f45d86a 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -71,13 +71,6 @@ static unsigned int ath5k_debug; module_param_named(debug, ath5k_debug, uint, 0); -static int ath5k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - - /* debugfs: registers */ struct reg { @@ -265,7 +258,7 @@ static ssize_t write_file_beacon(struct file *file, static const struct file_operations fops_beacon = { .read = read_file_beacon, .write = write_file_beacon, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -285,7 +278,7 @@ static ssize_t write_file_reset(struct file *file, static const struct file_operations fops_reset = { .write = write_file_reset, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = noop_llseek, }; @@ -365,7 +358,7 @@ static ssize_t write_file_debug(struct file *file, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -477,7 +470,7 @@ static ssize_t write_file_antenna(struct file *file, static const struct file_operations fops_antenna = { .read = read_file_antenna, .write = write_file_antenna, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -532,7 +525,7 @@ static ssize_t read_file_misc(struct file *file, char __user *user_buf, static const struct file_operations fops_misc = { .read = read_file_misc, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, }; @@ -647,7 +640,7 @@ static ssize_t write_file_frameerrors(struct file *file, static const struct file_operations fops_frameerrors = { .read = read_file_frameerrors, .write = write_file_frameerrors, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -810,7 +803,7 @@ static ssize_t write_file_ani(struct file *file, static const struct file_operations fops_ani = { .read = read_file_ani, .write = write_file_ani, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -881,7 +874,7 @@ static ssize_t write_file_queue(struct file *file, static const struct file_operations fops_queue = { .read = read_file_queue, .write = write_file_queue, - .open = ath5k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c index 552adb3f80d..d01403a263f 100644 --- a/drivers/net/wireless/ath/ath6kl/debug.c +++ b/drivers/net/wireless/ath/ath6kl/debug.c @@ -217,12 +217,6 @@ void dump_cred_dist_stats(struct htc_target *target) target->credit_info->cur_free_credits); } -static int ath6kl_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war) { switch (war) { @@ -263,7 +257,7 @@ static ssize_t read_file_war_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_war_stats = { .read = read_file_war_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -488,7 +482,7 @@ static ssize_t ath6kl_fwlog_mask_write(struct file *file, } static const struct file_operations fops_fwlog_mask = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_fwlog_mask_read, .write = ath6kl_fwlog_mask_write, .owner = THIS_MODULE, @@ -634,7 +628,7 @@ static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_stats = { .read = read_file_tgt_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -699,7 +693,7 @@ static ssize_t read_file_credit_dist_stats(struct file *file, static const struct file_operations fops_credit_dist_stats = { .read = read_file_credit_dist_stats, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -802,7 +796,7 @@ static ssize_t ath6kl_endpoint_stats_write(struct file *file, } static const struct file_operations fops_endpoint_stats = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_endpoint_stats_read, .write = ath6kl_endpoint_stats_write, .owner = THIS_MODULE, @@ -875,7 +869,7 @@ static ssize_t ath6kl_regread_write(struct file *file, static const struct file_operations fops_diag_reg_read = { .read = ath6kl_regread_read, .write = ath6kl_regread_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -999,7 +993,7 @@ static ssize_t ath6kl_lrssi_roam_read(struct file *file, static const struct file_operations fops_lrssi_roam_threshold = { .read = ath6kl_lrssi_roam_read, .write = ath6kl_lrssi_roam_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1061,7 +1055,7 @@ static ssize_t ath6kl_regwrite_write(struct file *file, static const struct file_operations fops_diag_reg_write = { .read = ath6kl_regwrite_read, .write = ath6kl_regwrite_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1166,7 +1160,7 @@ static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf, static const struct file_operations fops_roam_table = { .read = ath6kl_roam_table_read, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1204,7 +1198,7 @@ static ssize_t ath6kl_force_roam_write(struct file *file, static const struct file_operations fops_force_roam = { .write = ath6kl_force_roam_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1244,7 +1238,7 @@ static ssize_t ath6kl_roam_mode_write(struct file *file, static const struct file_operations fops_roam_mode = { .write = ath6kl_roam_mode_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1286,7 +1280,7 @@ static ssize_t ath6kl_keepalive_write(struct file *file, } static const struct file_operations fops_keepalive = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_keepalive_read, .write = ath6kl_keepalive_write, .owner = THIS_MODULE, @@ -1331,7 +1325,7 @@ static ssize_t ath6kl_disconnect_timeout_write(struct file *file, } static const struct file_operations fops_disconnect_timeout = { - .open = ath6kl_debugfs_open, + .open = simple_open, .read = ath6kl_disconnect_timeout_read, .write = ath6kl_disconnect_timeout_write, .owner = THIS_MODULE, @@ -1512,7 +1506,7 @@ static ssize_t ath6kl_create_qos_write(struct file *file, static const struct file_operations fops_create_qos = { .write = ath6kl_create_qos_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1560,7 +1554,7 @@ static ssize_t ath6kl_delete_qos_write(struct file *file, static const struct file_operations fops_delete_qos = { .write = ath6kl_delete_qos_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1593,7 +1587,7 @@ static ssize_t ath6kl_bgscan_int_write(struct file *file, static const struct file_operations fops_bgscan_int = { .write = ath6kl_bgscan_int_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1651,7 +1645,7 @@ static ssize_t ath6kl_listen_int_read(struct file *file, static const struct file_operations fops_listen_int = { .read = ath6kl_listen_int_read, .write = ath6kl_listen_int_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1711,7 +1705,7 @@ static ssize_t ath6kl_power_params_write(struct file *file, static const struct file_operations fops_power_params = { .write = ath6kl_power_params_write, - .open = ath6kl_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 35d1c8e91d1..ff47b32ecaf 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -26,11 +26,6 @@ #define REG_READ_D(_ah, _reg) \ ath9k_hw_common(_ah)->ops->read((_ah), (_reg)) -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -83,7 +78,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -129,7 +124,7 @@ static ssize_t write_file_tx_chainmask(struct file *file, const char __user *use static const struct file_operations fops_tx_chainmask = { .read = read_file_tx_chainmask, .write = write_file_tx_chainmask, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -172,7 +167,7 @@ static ssize_t write_file_rx_chainmask(struct file *file, const char __user *use static const struct file_operations fops_rx_chainmask = { .read = read_file_rx_chainmask, .write = write_file_rx_chainmask, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -223,7 +218,7 @@ static ssize_t write_file_disable_ani(struct file *file, static const struct file_operations fops_disable_ani = { .read = read_file_disable_ani, .write = write_file_disable_ani, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -324,7 +319,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf, static const struct file_operations fops_dma = { .read = read_file_dma, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -446,7 +441,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, static const struct file_operations fops_interrupt = { .read = read_file_interrupt, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -852,28 +847,28 @@ void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, static const struct file_operations fops_xmit = { .read = read_file_xmit, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_stations = { .read = read_file_stations, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_misc = { .read = read_file_misc, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; static const struct file_operations fops_reset = { .read = read_file_reset, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1016,7 +1011,7 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs) static const struct file_operations fops_recv = { .read = read_file_recv, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1055,7 +1050,7 @@ static ssize_t write_file_regidx(struct file *file, const char __user *user_buf, static const struct file_operations fops_regidx = { .read = read_file_regidx, .write = write_file_regidx, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1102,7 +1097,7 @@ static ssize_t write_file_regval(struct file *file, const char __user *user_buf, static const struct file_operations fops_regval = { .read = read_file_regval, .write = write_file_regval, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1191,7 +1186,7 @@ static ssize_t read_file_dump_nfcal(struct file *file, char __user *user_buf, static const struct file_operations fops_dump_nfcal = { .read = read_file_dump_nfcal, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1219,7 +1214,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_base_eeprom = { .read = read_file_base_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -1247,7 +1242,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_modal_eeprom = { .read = read_file_modal_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/dfs_debug.c b/drivers/net/wireless/ath/ath9k/dfs_debug.c index 106d031d834..4364c103ed3 100644 --- a/drivers/net/wireless/ath/ath9k/dfs_debug.c +++ b/drivers/net/wireless/ath/ath9k/dfs_debug.c @@ -60,16 +60,9 @@ static ssize_t read_file_dfs(struct file *file, char __user *user_buf, return retval; } -static int ath9k_dfs_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations fops_dfs_stats = { .read = read_file_dfs, - .open = ath9k_dfs_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index d3ff33c71aa..3035deb7a0c 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -16,12 +16,6 @@ #include "htc.h" -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -75,7 +69,7 @@ static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_int_stats = { .read = read_file_tgt_int_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -145,7 +139,7 @@ static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_tx_stats = { .read = read_file_tgt_tx_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -191,7 +185,7 @@ static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf, static const struct file_operations fops_tgt_rx_stats = { .read = read_file_tgt_rx_stats, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -243,7 +237,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf, static const struct file_operations fops_xmit = { .read = read_file_xmit, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -364,7 +358,7 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf, static const struct file_operations fops_recv = { .read = read_file_recv, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -399,7 +393,7 @@ static ssize_t read_file_slot(struct file *file, char __user *user_buf, static const struct file_operations fops_slot = { .read = read_file_slot, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -446,7 +440,7 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, static const struct file_operations fops_queue = { .read = read_file_queue, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -487,7 +481,7 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf, static const struct file_operations fops_debug = { .read = read_file_debug, .write = write_file_debug, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -636,7 +630,7 @@ static ssize_t read_file_base_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_base_eeprom = { .read = read_file_base_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -917,7 +911,7 @@ static ssize_t read_file_modal_eeprom(struct file *file, char __user *user_buf, static const struct file_operations fops_modal_eeprom = { .read = read_file_modal_eeprom, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 4f848493fec..08bb4553270 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -1480,12 +1480,6 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, #ifdef CONFIG_ATH9K_DEBUGFS -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1553,7 +1547,7 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf, static const struct file_operations fops_rcstat = { .read = read_file_rcstat, - .open = ath9k_debugfs_open, + .open = simple_open, .owner = THIS_MODULE }; diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c index 3c164226687..93fe6003a49 100644 --- a/drivers/net/wireless/ath/carl9170/debug.c +++ b/drivers/net/wireless/ath/carl9170/debug.c @@ -48,11 +48,6 @@ #define ADD(buf, off, max, fmt, args...) \ off += snprintf(&buf[off], max - off, fmt, ##args); -static int carl9170_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} struct carl9170_debugfs_fops { unsigned int read_bufsize; @@ -178,7 +173,7 @@ static const struct carl9170_debugfs_fops carl_debugfs_##name ##_ops = {\ .attr = _attr, \ .req_dev_state = _dstate, \ .fops = { \ - .open = carl9170_debugfs_open, \ + .open = simple_open, \ .read = carl9170_debugfs_read, \ .write = carl9170_debugfs_write, \ .owner = THIS_MODULE \ diff --git a/drivers/net/wireless/b43/debugfs.c b/drivers/net/wireless/b43/debugfs.c index e751fdee89b..e807bd93064 100644 --- a/drivers/net/wireless/b43/debugfs.c +++ b/drivers/net/wireless/b43/debugfs.c @@ -500,12 +500,6 @@ out: #undef fappend -static int b43_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t b43_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -624,7 +618,7 @@ out_unlock: .read = _read, \ .write = _write, \ .fops = { \ - .open = b43_debugfs_open, \ + .open = simple_open, \ .read = b43_debugfs_read, \ .write = b43_debugfs_write, \ .llseek = generic_file_llseek, \ diff --git a/drivers/net/wireless/b43legacy/debugfs.c b/drivers/net/wireless/b43legacy/debugfs.c index 5e28ad0d6d1..1965edb765a 100644 --- a/drivers/net/wireless/b43legacy/debugfs.c +++ b/drivers/net/wireless/b43legacy/debugfs.c @@ -197,12 +197,6 @@ static int restart_write_file(struct b43legacy_wldev *dev, const char *buf, size #undef fappend -static int b43legacy_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t b43legacy_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -331,7 +325,7 @@ out_unlock: .read = _read, \ .write = _write, \ .fops = { \ - .open = b43legacy_debugfs_open, \ + .open = simple_open, \ .read = b43legacy_debugfs_read, \ .write = b43legacy_debugfs_write, \ .llseek = generic_file_llseek, \ diff --git a/drivers/net/wireless/iwlegacy/3945-rs.c b/drivers/net/wireless/iwlegacy/3945-rs.c index 70bee1a4d87..4b10157d868 100644 --- a/drivers/net/wireless/iwlegacy/3945-rs.c +++ b/drivers/net/wireless/iwlegacy/3945-rs.c @@ -821,12 +821,6 @@ out: } #ifdef CONFIG_MAC80211_DEBUGFS -static int -il3945_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, @@ -862,7 +856,7 @@ il3945_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = il3945_sta_dbgfs_stats_table_read, - .open = il3945_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlegacy/4965-rs.c b/drivers/net/wireless/iwlegacy/4965-rs.c index d7e2856e41d..11ab1247fae 100644 --- a/drivers/net/wireless/iwlegacy/4965-rs.c +++ b/drivers/net/wireless/iwlegacy/4965-rs.c @@ -2518,12 +2518,6 @@ il4965_rs_free_sta(void *il_r, struct ieee80211_sta *sta, void *il_sta) } #ifdef CONFIG_MAC80211_DEBUGFS -static int -il4965_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static void il4965_rs_dbgfs_set_mcs(struct il_lq_sta *lq_sta, u32 * rate_n_flags, int idx) @@ -2695,7 +2689,7 @@ il4965_rs_sta_dbgfs_scale_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_scale_table_ops = { .write = il4965_rs_sta_dbgfs_scale_table_write, .read = il4965_rs_sta_dbgfs_scale_table_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -2740,7 +2734,7 @@ il4965_rs_sta_dbgfs_stats_table_read(struct file *file, char __user *user_buf, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = il4965_rs_sta_dbgfs_stats_table_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -2768,7 +2762,7 @@ il4965_rs_sta_dbgfs_rate_scale_data_read(struct file *file, static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = { .read = il4965_rs_sta_dbgfs_rate_scale_data_read, - .open = il4965_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlegacy/debug.c b/drivers/net/wireless/iwlegacy/debug.c index 229849150aa..eff26501d60 100644 --- a/drivers/net/wireless/iwlegacy/debug.c +++ b/drivers/net/wireless/iwlegacy/debug.c @@ -160,18 +160,12 @@ static ssize_t il_dbgfs_##name##_write(struct file *file, \ const char __user *user_buf, \ size_t count, loff_t *ppos); -static int -il_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .read = il_dbgfs_##name##_read, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -179,7 +173,7 @@ static const struct file_operations il_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -189,7 +183,7 @@ static const struct file_operations il_dbgfs_##name##_ops = { \ static const struct file_operations il_dbgfs_##name##_ops = { \ .write = il_dbgfs_##name##_write, \ .read = il_dbgfs_##name##_read, \ - .open = il_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index 53f8c51cfcd..7e590b349dd 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -3083,11 +3083,6 @@ static void rs_free_sta(void *priv_r, struct ieee80211_sta *sta, } #ifdef CONFIG_MAC80211_DEBUGFS -static int open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static void rs_dbgfs_set_mcs(struct iwl_lq_sta *lq_sta, u32 *rate_n_flags, int index) { @@ -3226,7 +3221,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file, static const struct file_operations rs_sta_dbgfs_scale_table_ops = { .write = rs_sta_dbgfs_scale_table_write, .read = rs_sta_dbgfs_scale_table_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, @@ -3269,7 +3264,7 @@ static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file, static const struct file_operations rs_sta_dbgfs_stats_table_ops = { .read = rs_sta_dbgfs_stats_table_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -3295,7 +3290,7 @@ static ssize_t rs_sta_dbgfs_rate_scale_data_read(struct file *file, static const struct file_operations rs_sta_dbgfs_rate_scale_data_ops = { .read = rs_sta_dbgfs_rate_scale_data_read, - .open = open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index b7b1c04f2fb..2bbaebd99ad 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -84,17 +84,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ size_t count, loff_t *ppos); -static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -102,7 +96,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -113,7 +107,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index b4f796c82e1..4d7b30d3e64 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -1898,17 +1898,11 @@ static ssize_t iwl_dbgfs_##name##_write(struct file *file, \ size_t count, loff_t *ppos); -static int iwl_dbgfs_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READ_FILE_OPS(name) \ DEBUGFS_READ_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -1916,7 +1910,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ DEBUGFS_WRITE_FUNC(name); \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -1926,7 +1920,7 @@ static const struct file_operations iwl_dbgfs_##name##_ops = { \ static const struct file_operations iwl_dbgfs_##name##_ops = { \ .write = iwl_dbgfs_##name##_write, \ .read = iwl_dbgfs_##name##_read, \ - .open = iwl_dbgfs_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c index 87eef5773a0..b6199d124bb 100644 --- a/drivers/net/wireless/iwmc3200wifi/debugfs.c +++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c @@ -99,12 +99,6 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_iwm_dbg_modules, iwm_debugfs_u32_read, iwm_debugfs_dbg_modules_write, "%llu\n"); -static int iwm_generic_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t iwm_debugfs_txq_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) @@ -401,28 +395,28 @@ out: static const struct file_operations iwm_debugfs_txq_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_txq_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_tx_credit_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_tx_credit_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_rx_ticket_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_rx_ticket_read, .llseek = default_llseek, }; static const struct file_operations iwm_debugfs_fw_err_fops = { .owner = THIS_MODULE, - .open = iwm_generic_open, + .open = simple_open, .read = iwm_debugfs_fw_err_read, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/iwmc3200wifi/sdio.c b/drivers/net/wireless/iwmc3200wifi/sdio.c index 764b40dd24a..0042f204b07 100644 --- a/drivers/net/wireless/iwmc3200wifi/sdio.c +++ b/drivers/net/wireless/iwmc3200wifi/sdio.c @@ -264,13 +264,6 @@ static int if_sdio_send_chunk(struct iwm_priv *iwm, u8 *buf, int count) return ret; } -/* debugfs hooks */ -static int iwm_debugfs_sdio_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - return 0; -} - static ssize_t iwm_debugfs_sdio_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { @@ -363,7 +356,7 @@ err: static const struct file_operations iwm_debugfs_sdio_fops = { .owner = THIS_MODULE, - .open = iwm_debugfs_sdio_open, + .open = simple_open, .read = iwm_debugfs_sdio_read, .llseek = default_llseek, }; diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index c192671610f..a06cc283e23 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -21,12 +21,6 @@ static char *szStates[] = { static void lbs_debug_init(struct lbs_private *priv); #endif -static int open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t write_file_dummy(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { @@ -696,7 +690,7 @@ out_unlock: #define FOPS(fread, fwrite) { \ .owner = THIS_MODULE, \ - .open = open_file_generic, \ + .open = simple_open, \ .read = (fread), \ .write = (fwrite), \ .llseek = generic_file_llseek, \ @@ -962,7 +956,7 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, static const struct file_operations lbs_debug_fops = { .owner = THIS_MODULE, - .open = open_file_generic, + .open = simple_open, .write = lbs_debugfs_write, .read = lbs_debugfs_read, .llseek = default_llseek, diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c index d26a78b6b3c..1a845074c52 100644 --- a/drivers/net/wireless/mwifiex/debugfs.c +++ b/drivers/net/wireless/mwifiex/debugfs.c @@ -140,18 +140,6 @@ static struct mwifiex_debug_data items[] = { static int num_of_items = ARRAY_SIZE(items); /* - * Generic proc file open handler. - * - * This function is called every time a file is accessed for read or write. - */ -static int -mwifiex_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -/* * Proc info file read handler. * * This function is called when the 'info' file is opened for reading. @@ -676,19 +664,19 @@ done: static const struct file_operations mwifiex_dfs_##name##_fops = { \ .read = mwifiex_##name##_read, \ .write = mwifiex_##name##_write, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; #define MWIFIEX_DFS_FILE_READ_OPS(name) \ static const struct file_operations mwifiex_dfs_##name##_fops = { \ .read = mwifiex_##name##_read, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; #define MWIFIEX_DFS_FILE_WRITE_OPS(name) \ static const struct file_operations mwifiex_dfs_##name##_fops = { \ .write = mwifiex_##name##_write, \ - .open = mwifiex_open_generic, \ + .open = simple_open, \ }; diff --git a/drivers/net/wireless/wl1251/debugfs.c b/drivers/net/wireless/wl1251/debugfs.c index 6c274007d20..448da1f8c22 100644 --- a/drivers/net/wireless/wl1251/debugfs.c +++ b/drivers/net/wireless/wl1251/debugfs.c @@ -47,7 +47,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = wl1251_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -84,7 +84,7 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ - .open = wl1251_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -117,12 +117,6 @@ out: mutex_unlock(&wl->mutex); } -static int wl1251_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, 20, "%u"); DEBUGFS_FWSTATS_FILE(rx, out_of_mem, 20, "%u"); @@ -235,7 +229,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_len_ops = { .read = tx_queue_len_read, - .open = wl1251_open_file_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -257,7 +251,7 @@ static ssize_t tx_queue_status_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_status_ops = { .read = tx_queue_status_read, - .open = wl1251_open_file_generic, + .open = simple_open, .llseek = generic_file_llseek, }; diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index e1cf7276596..564d49575c9 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -63,7 +63,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = wl1271_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -96,7 +96,7 @@ static ssize_t sub## _ ##name## _read(struct file *file, \ \ static const struct file_operations sub## _ ##name## _ops = { \ .read = sub## _ ##name## _read, \ - .open = wl1271_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -126,12 +126,6 @@ out: mutex_unlock(&wl->mutex); } -static int wl1271_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); @@ -243,7 +237,7 @@ static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, static const struct file_operations tx_queue_len_ops = { .read = tx_queue_len_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -289,7 +283,7 @@ static ssize_t gpio_power_write(struct file *file, static const struct file_operations gpio_power_ops = { .read = gpio_power_read, .write = gpio_power_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -308,7 +302,7 @@ static ssize_t start_recovery_write(struct file *file, static const struct file_operations start_recovery_ops = { .write = start_recovery_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -372,7 +366,7 @@ out: static const struct file_operations dynamic_ps_timeout_ops = { .read = dynamic_ps_timeout_read, .write = dynamic_ps_timeout_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -441,7 +435,7 @@ out: static const struct file_operations forced_ps_ops = { .read = forced_ps_read, .write = forced_ps_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -483,7 +477,7 @@ static ssize_t split_scan_timeout_write(struct file *file, static const struct file_operations split_scan_timeout_ops = { .read = split_scan_timeout_read, .write = split_scan_timeout_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -566,7 +560,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, static const struct file_operations driver_state_ops = { .read = driver_state_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -675,7 +669,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, static const struct file_operations vifs_state_ops = { .read = vifs_state_read, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -733,7 +727,7 @@ static ssize_t dtim_interval_write(struct file *file, static const struct file_operations dtim_interval_ops = { .read = dtim_interval_read, .write = dtim_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -791,7 +785,7 @@ static ssize_t suspend_dtim_interval_write(struct file *file, static const struct file_operations suspend_dtim_interval_ops = { .read = suspend_dtim_interval_read, .write = suspend_dtim_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -849,7 +843,7 @@ static ssize_t beacon_interval_write(struct file *file, static const struct file_operations beacon_interval_ops = { .read = beacon_interval_read, .write = beacon_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -904,7 +898,7 @@ static ssize_t rx_streaming_interval_read(struct file *file, static const struct file_operations rx_streaming_interval_ops = { .read = rx_streaming_interval_read, .write = rx_streaming_interval_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -959,7 +953,7 @@ static ssize_t rx_streaming_always_read(struct file *file, static const struct file_operations rx_streaming_always_ops = { .read = rx_streaming_always_read, .write = rx_streaming_always_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; @@ -1003,7 +997,7 @@ out: static const struct file_operations beacon_filtering_ops = { .write = beacon_filtering_write, - .open = wl1271_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index ee8fd037bb5..849357c1045 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -117,25 +117,17 @@ static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_ } -static int default_open(struct inode *inode, struct file *filp) -{ - if (inode->i_private) - filp->private_data = inode->i_private; - return 0; -} - - static const struct file_operations ulong_fops = { .read = ulong_read_file, .write = ulong_write_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; static const struct file_operations ulong_ro_fops = { .read = ulong_read_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; @@ -187,7 +179,7 @@ static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t coun static const struct file_operations atomic_ro_fops = { .read = atomic_read_file, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index 70277a53013..85d31a69e11 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -50,16 +50,9 @@ static ssize_t rproc_trace_read(struct file *filp, char __user *userbuf, return simple_read_from_buffer(userbuf, count, ppos, trace->va, len); } -static int rproc_open_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations trace_rproc_ops = { .read = rproc_trace_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -94,7 +87,7 @@ static ssize_t rproc_state_read(struct file *filp, char __user *userbuf, static const struct file_operations rproc_state_ops = { .read = rproc_state_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; @@ -114,7 +107,7 @@ static ssize_t rproc_name_read(struct file *filp, char __user *userbuf, static const struct file_operations rproc_name_ops = { .read = rproc_name_read, - .open = rproc_open_generic, + .open = simple_open, .llseek = generic_file_llseek, }; diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c index afee0e8ae71..feddefc4210 100644 --- a/drivers/rtc/rtc-88pm860x.c +++ b/drivers/rtc/rtc-88pm860x.c @@ -72,9 +72,9 @@ static int pm860x_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) struct pm860x_rtc_info *info = dev_get_drvdata(dev); if (enabled) - pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, ALARM); + pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, ALARM_EN); else - pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM, 0); + pm860x_set_bits(info->i2c, PM8607_RTC1, ALARM_EN, 0); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 5bdf2eecb17..af04b0d6688 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -997,13 +997,6 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, return nbytes; } -static int -lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) @@ -3541,7 +3534,7 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = { #undef lpfc_debugfs_op_dif_err static const struct file_operations lpfc_debugfs_op_dif_err = { .owner = THIS_MODULE, - .open = lpfc_debugfs_dif_err_open, + .open = simple_open, .llseek = lpfc_debugfs_lseek, .read = lpfc_debugfs_dif_err_read, .write = lpfc_debugfs_dif_err_write, diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 082458d73ce..d1a495f64e2 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -63,12 +63,6 @@ struct chip_data { }; #ifdef CONFIG_DEBUG_FS -static int spi_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define SPI_REGS_BUFSIZE 1024 static ssize_t spi_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -128,7 +122,7 @@ static ssize_t spi_show_regs(struct file *file, char __user *user_buf, static const struct file_operations mrst_spi_regs_ops = { .owner = THIS_MODULE, - .open = spi_show_regs_open, + .open = simple_open, .read = spi_show_regs, .llseek = default_llseek, }; diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index a9234ba8f8d..c4b50af46c4 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -127,11 +127,6 @@ static inline void serial_out(struct uart_hsu_port *up, int offset, int value) #define HSU_REGS_BUFSIZE 1024 -static int hsu_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} static ssize_t port_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -231,14 +226,14 @@ static ssize_t dma_show_regs(struct file *file, char __user *user_buf, static const struct file_operations port_regs_ops = { .owner = THIS_MODULE, - .open = hsu_show_regs_open, + .open = simple_open, .read = port_show_regs, .llseek = default_llseek, }; static const struct file_operations dma_regs_ops = { .owner = THIS_MODULE, - .open = hsu_show_regs_open, + .open = simple_open, .read = dma_show_regs, .llseek = default_llseek, }; diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c index e825460478b..08b9962b8fd 100644 --- a/drivers/tty/serial/pch_uart.c +++ b/drivers/tty/serial/pch_uart.c @@ -304,11 +304,7 @@ static const int trigger_level_1[4] = { 1, 1, 1, 1 }; #ifdef CONFIG_DEBUG_FS #define PCH_REGS_BUFSIZE 1024 -static int pch_show_regs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} + static ssize_t port_show_regs(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -362,7 +358,7 @@ static ssize_t port_show_regs(struct file *file, char __user *user_buf, static const struct file_operations port_regs_ops = { .owner = THIS_MODULE, - .open = pch_show_regs_open, + .open = simple_open, .read = port_show_regs, .llseek = default_llseek, }; diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 136e86faa1e..05728894a88 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -327,7 +327,7 @@ static void send_sig_all(int sig) if (is_global_init(p)) continue; - force_sig(sig, p); + do_send_sig_info(sig, SEND_SIG_FORCED, p, true); } read_unlock(&tasklist_lock); } diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index cefa0c8b5b6..d2b9af59cba 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -428,18 +428,10 @@ static loff_t default_file_lseek (struct file *file, loff_t offset, int orig) return retval; } -static int default_open (struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - static const struct file_operations default_file_operations = { .read = default_read_file, .write = default_write_file, - .open = default_open, + .open = simple_open, .llseek = default_file_lseek, }; diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c index fd9109d7eb0..680e1a31fb8 100644 --- a/drivers/usb/host/ehci-dbg.c +++ b/drivers/usb/host/ehci-dbg.c @@ -352,7 +352,6 @@ static int debug_async_open(struct inode *, struct file *); static int debug_periodic_open(struct inode *, struct file *); static int debug_registers_open(struct inode *, struct file *); static int debug_async_open(struct inode *, struct file *); -static int debug_lpm_open(struct inode *, struct file *); static ssize_t debug_lpm_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); static ssize_t debug_lpm_write(struct file *file, const char __user *buffer, @@ -385,7 +384,7 @@ static const struct file_operations debug_registers_fops = { }; static const struct file_operations debug_lpm_fops = { .owner = THIS_MODULE, - .open = debug_lpm_open, + .open = simple_open, .read = debug_lpm_read, .write = debug_lpm_write, .release = debug_lpm_close, @@ -970,12 +969,6 @@ static int debug_registers_open(struct inode *inode, struct file *file) return file->private_data ? 0 : -ENOMEM; } -static int debug_lpm_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static int debug_lpm_close(struct inode *inode, struct file *file) { return 0; diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c index 2eecec0c13c..6ec45beb7af 100644 --- a/drivers/uwb/uwb-debug.c +++ b/drivers/uwb/uwb-debug.c @@ -159,13 +159,6 @@ static int cmd_ie_rm(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_rm) return uwb_rc_ie_rm(rc, ie_to_rm->data[0]); } -static int command_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - - return 0; -} - static ssize_t command_write(struct file *file, const char __user *buf, size_t len, loff_t *off) { @@ -206,7 +199,7 @@ static ssize_t command_write(struct file *file, const char __user *buf, } static const struct file_operations command_fops = { - .open = command_open, + .open = simple_open, .write = command_write, .read = NULL, .llseek = no_llseek, diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig index 7ed9991fa74..af16884491e 100644 --- a/drivers/video/backlight/Kconfig +++ b/drivers/video/backlight/Kconfig @@ -245,6 +245,12 @@ config BACKLIGHT_DA903X If you have a LCD backlight connected to the WLED output of DA9030 or DA9034 WLED output, say Y here to enable this driver. +config BACKLIGHT_DA9052 + tristate "Dialog DA9052/DA9053 WLED" + depends on PMIC_DA9052 + help + Enable the Backlight Driver for DA9052-BC and DA9053-AA/Bx PMICs. + config BACKLIGHT_MAX8925 tristate "Backlight driver for MAX8925" depends on MFD_MAX8925 diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 8071eb65614..36855ae887d 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o +obj-$(CONFIG_BACKLIGHT_DA9052) += da9052_bl.o obj-$(CONFIG_BACKLIGHT_MAX8925) += max8925_bl.o obj-$(CONFIG_BACKLIGHT_APPLE) += apple_bl.o obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c new file mode 100644 index 00000000000..b628d68f516 --- /dev/null +++ b/drivers/video/backlight/da9052_bl.c @@ -0,0 +1,187 @@ +/* + * Backlight Driver for Dialog DA9052 PMICs + * + * Copyright(c) 2012 Dialog Semiconductor Ltd. + * + * Author: David Dajun Chen <dchen@diasemi.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + */ + +#include <linux/backlight.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/module.h> +#include <linux/platform_device.h> + +#include <linux/mfd/da9052/da9052.h> +#include <linux/mfd/da9052/reg.h> + +#define DA9052_MAX_BRIGHTNESS 0xFF + +enum { + DA9052_WLEDS_OFF, + DA9052_WLEDS_ON, +}; + +enum { + DA9052_TYPE_WLED1, + DA9052_TYPE_WLED2, + DA9052_TYPE_WLED3, +}; + +static unsigned char wled_bank[] = { + DA9052_LED1_CONF_REG, + DA9052_LED2_CONF_REG, + DA9052_LED3_CONF_REG, +}; + +struct da9052_bl { + struct da9052 *da9052; + uint brightness; + uint state; + uint led_reg; +}; + +static int da9052_adjust_wled_brightness(struct da9052_bl *wleds) +{ + unsigned char boost_en; + unsigned char i_sink; + int ret; + + boost_en = 0x3F; + i_sink = 0xFF; + if (wleds->state == DA9052_WLEDS_OFF) { + boost_en = 0x00; + i_sink = 0x00; + } + + ret = da9052_reg_write(wleds->da9052, DA9052_BOOST_REG, boost_en); + if (ret < 0) + return ret; + + ret = da9052_reg_write(wleds->da9052, DA9052_LED_CONT_REG, i_sink); + if (ret < 0) + return ret; + + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], 0x0); + if (ret < 0) + return ret; + + msleep(10); + + if (wleds->brightness) { + ret = da9052_reg_write(wleds->da9052, wled_bank[wleds->led_reg], + wleds->brightness); + if (ret < 0) + return ret; + } + + return 0; +} + +static int da9052_backlight_update_status(struct backlight_device *bl) +{ + int brightness = bl->props.brightness; + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = brightness; + wleds->state = DA9052_WLEDS_ON; + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_get_brightness(struct backlight_device *bl) +{ + struct da9052_bl *wleds = bl_get_data(bl); + + return wleds->brightness; +} + +static const struct backlight_ops da9052_backlight_ops = { + .update_status = da9052_backlight_update_status, + .get_brightness = da9052_backlight_get_brightness, +}; + +static int da9052_backlight_probe(struct platform_device *pdev) +{ + struct backlight_device *bl; + struct backlight_properties props; + struct da9052_bl *wleds; + + wleds = devm_kzalloc(&pdev->dev, sizeof(struct da9052_bl), GFP_KERNEL); + if (!wleds) + return -ENOMEM; + + wleds->da9052 = dev_get_drvdata(pdev->dev.parent); + wleds->brightness = 0; + wleds->led_reg = platform_get_device_id(pdev)->driver_data; + wleds->state = DA9052_WLEDS_OFF; + + props.type = BACKLIGHT_RAW; + props.max_brightness = DA9052_MAX_BRIGHTNESS; + + bl = backlight_device_register(pdev->name, wleds->da9052->dev, wleds, + &da9052_backlight_ops, &props); + if (IS_ERR(bl)) { + dev_err(&pdev->dev, "Failed to register backlight\n"); + devm_kfree(&pdev->dev, wleds); + return PTR_ERR(bl); + } + + bl->props.max_brightness = DA9052_MAX_BRIGHTNESS; + bl->props.brightness = 0; + platform_set_drvdata(pdev, bl); + + return da9052_adjust_wled_brightness(wleds); +} + +static int da9052_backlight_remove(struct platform_device *pdev) +{ + struct backlight_device *bl = platform_get_drvdata(pdev); + struct da9052_bl *wleds = bl_get_data(bl); + + wleds->brightness = 0; + wleds->state = DA9052_WLEDS_OFF; + da9052_adjust_wled_brightness(wleds); + backlight_device_unregister(bl); + devm_kfree(&pdev->dev, wleds); + + return 0; +} + +static struct platform_device_id da9052_wled_ids[] = { + { + .name = "da9052-wled1", + .driver_data = DA9052_TYPE_WLED1, + }, + { + .name = "da9052-wled2", + .driver_data = DA9052_TYPE_WLED2, + }, + { + .name = "da9052-wled3", + .driver_data = DA9052_TYPE_WLED3, + }, +}; + +static struct platform_driver da9052_wled_driver = { + .probe = da9052_backlight_probe, + .remove = da9052_backlight_remove, + .id_table = da9052_wled_ids, + .driver = { + .name = "da9052-wled", + .owner = THIS_MODULE, + }, +}; + +module_platform_driver(da9052_wled_driver); + +MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>"); +MODULE_DESCRIPTION("Backlight driver for DA9052 PMIC"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:da9052-backlight"); diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 21e93605161..5dfafdd1dbd 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -33,18 +33,10 @@ static ssize_t default_write_file(struct file *file, const char __user *buf, return count; } -static int default_open(struct inode *inode, struct file *file) -{ - if (inode->i_private) - file->private_data = inode->i_private; - - return 0; -} - const struct file_operations debugfs_file_operations = { .read = default_read_file, .write = default_write_file, - .open = default_open, + .open = simple_open, .llseek = noop_llseek, }; @@ -447,7 +439,7 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf, static const struct file_operations fops_bool = { .read = read_file_bool, .write = write_file_bool, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; @@ -492,7 +484,7 @@ static ssize_t read_file_blob(struct file *file, char __user *user_buf, static const struct file_operations fops_blob = { .read = read_file_blob, - .open = default_open, + .open = simple_open, .llseek = default_llseek, }; diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c index 3dca2b39e83..1c9b08095f9 100644 --- a/fs/dlm/debug_fs.c +++ b/fs/dlm/debug_fs.c @@ -609,13 +609,6 @@ static const struct file_operations format3_fops = { /* * dump lkb's on the ls_waiters list */ - -static int waiters_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t waiters_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -644,7 +637,7 @@ static ssize_t waiters_read(struct file *file, char __user *userbuf, static const struct file_operations waiters_fops = { .owner = THIS_MODULE, - .open = waiters_open, + .open = simple_open, .read = waiters_read, .llseek = default_llseek, }; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index ea251749d9d..28cf06e4ec8 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -1031,7 +1031,6 @@ static int __init init_hugetlbfs_fs(void) } error = PTR_ERR(vfsmount); - unregister_filesystem(&hugetlbfs_fs_type); out: kmem_cache_destroy(hugetlbfs_inode_cachep); diff --git a/fs/libfs.c b/fs/libfs.c index 4a0d1f06da5..358094f0433 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -264,6 +264,13 @@ Enomem: return ERR_PTR(-ENOMEM); } +int simple_open(struct inode *inode, struct file *file) +{ + if (inode->i_private) + file->private_data = inode->i_private; + return 0; +} + int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) { struct inode *inode = old_dentry->d_inode; @@ -984,6 +991,7 @@ EXPORT_SYMBOL(simple_dir_operations); EXPORT_SYMBOL(simple_empty); EXPORT_SYMBOL(simple_fill_super); EXPORT_SYMBOL(simple_getattr); +EXPORT_SYMBOL(simple_open); EXPORT_SYMBOL(simple_link); EXPORT_SYMBOL(simple_lookup); EXPORT_SYMBOL(simple_pin_fs); diff --git a/fs/proc/root.c b/fs/proc/root.c index 46a15d8a29c..eed44bfc85d 100644 --- a/fs/proc/root.c +++ b/fs/proc/root.c @@ -115,12 +115,13 @@ static struct dentry *proc_mount(struct file_system_type *fs_type, if (IS_ERR(sb)) return ERR_CAST(sb); + if (!proc_parse_options(options, ns)) { + deactivate_locked_super(sb); + return ERR_PTR(-EINVAL); + } + if (!sb->s_root) { sb->s_flags = flags; - if (!proc_parse_options(options, ns)) { - deactivate_locked_super(sb); - return ERR_PTR(-EINVAL); - } err = proc_fill_super(sb); if (err) { deactivate_locked_super(sb); diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index 50952c9bd06..19507889bb7 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -52,12 +52,6 @@ struct pstore_private { char data[]; }; -static int pstore_file_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t pstore_file_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) { @@ -67,7 +61,7 @@ static ssize_t pstore_file_read(struct file *file, char __user *userbuf, } static const struct file_operations pstore_file_operations = { - .open = pstore_file_open, + .open = simple_open, .read = pstore_file_read, .llseek = default_llseek, }; diff --git a/fs/xattr.c b/fs/xattr.c index d6dfd247bb2..3c8c1cc333c 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -19,8 +19,9 @@ #include <linux/export.h> #include <linux/fsnotify.h> #include <linux/audit.h> -#include <asm/uaccess.h> +#include <linux/vmalloc.h> +#include <asm/uaccess.h> /* * Check permissions for extended attribute access. This is a bit complicated @@ -320,6 +321,7 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, { int error; void *kvalue = NULL; + void *vvalue = NULL; /* If non-NULL, we used vmalloc() */ char kname[XATTR_NAME_MAX + 1]; if (flags & ~(XATTR_CREATE|XATTR_REPLACE)) @@ -334,13 +336,25 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, if (size) { if (size > XATTR_SIZE_MAX) return -E2BIG; - kvalue = memdup_user(value, size); - if (IS_ERR(kvalue)) - return PTR_ERR(kvalue); + kvalue = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); + if (!kvalue) { + vvalue = vmalloc(size); + if (!vvalue) + return -ENOMEM; + kvalue = vvalue; + } + if (copy_from_user(kvalue, value, size)) { + error = -EFAULT; + goto out; + } } error = vfs_setxattr(d, kname, kvalue, size, flags); - kfree(kvalue); +out: + if (vvalue) + vfree(vvalue); + else + kfree(kvalue); return error; } @@ -492,13 +506,18 @@ listxattr(struct dentry *d, char __user *list, size_t size) { ssize_t error; char *klist = NULL; + char *vlist = NULL; /* If non-NULL, we used vmalloc() */ if (size) { if (size > XATTR_LIST_MAX) size = XATTR_LIST_MAX; - klist = kmalloc(size, GFP_KERNEL); - if (!klist) - return -ENOMEM; + klist = kmalloc(size, __GFP_NOWARN | GFP_KERNEL); + if (!klist) { + vlist = vmalloc(size); + if (!vlist) + return -ENOMEM; + klist = vlist; + } } error = vfs_listxattr(d, klist, size); @@ -510,7 +529,10 @@ listxattr(struct dentry *d, char __user *list, size_t size) than XATTR_LIST_MAX bytes. Not possible. */ error = -E2BIG; } - kfree(klist); + if (vlist) + vfree(vlist); + else + kfree(klist); return error; } diff --git a/include/linux/fs.h b/include/linux/fs.h index 528611843ba..8de675523e4 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2511,6 +2511,7 @@ extern int dcache_readdir(struct file *, void *, filldir_t); extern int simple_setattr(struct dentry *, struct iattr *); extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int simple_statfs(struct dentry *, struct kstatfs *); +extern int simple_open(struct inode *inode, struct file *file); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); diff --git a/include/linux/swap.h b/include/linux/swap.h index 8dc0ea7caf0..b1fd5c7925f 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -305,6 +305,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem) return vm_swappiness; } #endif +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP +extern void mem_cgroup_uncharge_swap(swp_entry_t ent); +#else +static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) +{ +} +#endif #ifdef CONFIG_SWAP /* linux/mm/page_io.c */ extern int swap_readpage(struct page *); @@ -375,13 +382,6 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout) { } #endif -#ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP -extern void mem_cgroup_uncharge_swap(swp_entry_t ent); -#else -static inline void mem_cgroup_uncharge_swap(swp_entry_t ent) -{ -} -#endif #else /* CONFIG_SWAP */ diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index cdea7b56b0c..c0bd0308741 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -311,13 +311,6 @@ int blk_trace_remove(struct request_queue *q) } EXPORT_SYMBOL_GPL(blk_trace_remove); -static int blk_dropped_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - - return 0; -} - static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { @@ -331,18 +324,11 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, static const struct file_operations blk_dropped_fops = { .owner = THIS_MODULE, - .open = blk_dropped_open, + .open = simple_open, .read = blk_dropped_read, .llseek = default_llseek, }; -static int blk_msg_open(struct inode *inode, struct file *filp) -{ - filp->private_data = inode->i_private; - - return 0; -} - static ssize_t blk_msg_write(struct file *filp, const char __user *buffer, size_t count, loff_t *ppos) { @@ -371,7 +357,7 @@ static ssize_t blk_msg_write(struct file *filp, const char __user *buffer, static const struct file_operations blk_msg_fops = { .owner = THIS_MODULE, - .open = blk_msg_open, + .open = simple_open, .write = blk_msg_write, .llseek = noop_llseek, }; diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index cc5b7a6e7e0..778e5916d7c 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -15,12 +15,6 @@ #include "rate.h" #include "debugfs.h" -int mac80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_FORMAT_BUFFER_SIZE 100 int mac80211_format_buffer(char __user *userbuf, size_t count, @@ -50,7 +44,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ #define DEBUGFS_READONLY_FILE_OPS(name) \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -93,7 +87,7 @@ static ssize_t reset_write(struct file *file, const char __user *user_buf, static const struct file_operations reset_ops = { .write = reset_write, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = noop_llseek, }; @@ -254,7 +248,7 @@ static ssize_t stats_ ##name## _read(struct file *file, \ \ static const struct file_operations stats_ ##name## _ops = { \ .read = stats_ ##name## _read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h index 7c87529630f..9be4e6d71d0 100644 --- a/net/mac80211/debugfs.h +++ b/net/mac80211/debugfs.h @@ -3,7 +3,6 @@ #ifdef CONFIG_MAC80211_DEBUGFS extern void debugfs_hw_add(struct ieee80211_local *local); -extern int mac80211_open_file_generic(struct inode *inode, struct file *file); extern int mac80211_format_buffer(char __user *userbuf, size_t count, loff_t *ppos, char *fmt, ...); #else diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c index 59edcd95a58..7932767bb48 100644 --- a/net/mac80211/debugfs_key.c +++ b/net/mac80211/debugfs_key.c @@ -30,7 +30,7 @@ static ssize_t key_##name##_read(struct file *file, \ #define KEY_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -45,7 +45,7 @@ static const struct file_operations key_ ##name## _ops = { \ #define KEY_CONF_OPS(name) \ static const struct file_operations key_ ##name## _ops = { \ .read = key_conf_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index a32eeda04aa..30f99c34484 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -135,7 +135,7 @@ static ssize_t ieee80211_if_read_##name(struct file *file, \ static const struct file_operations name##_ops = { \ .read = ieee80211_if_read_##name, \ .write = (_write), \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c index 6d45804d09b..832b2da5e4c 100644 --- a/net/mac80211/debugfs_sta.c +++ b/net/mac80211/debugfs_sta.c @@ -33,7 +33,7 @@ static ssize_t sta_ ##name## _read(struct file *file, \ #define STA_OPS(name) \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } @@ -41,7 +41,7 @@ static const struct file_operations sta_ ##name## _ops = { \ static const struct file_operations sta_ ##name## _ops = { \ .read = sta_##name##_read, \ .write = sta_##name##_write, \ - .open = mac80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ } diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index b4f7600a3e3..3313c117b32 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -145,7 +145,7 @@ static ssize_t rcname_read(struct file *file, char __user *userbuf, static const struct file_operations rcname_ops = { .read = rcname_read, - .open = mac80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; #endif diff --git a/net/wireless/debugfs.c b/net/wireless/debugfs.c index 39765bcfb47..920cabe0461 100644 --- a/net/wireless/debugfs.c +++ b/net/wireless/debugfs.c @@ -13,12 +13,6 @@ #include "core.h" #include "debugfs.h" -static int cfg80211_open_file_generic(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - #define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ @@ -33,7 +27,7 @@ static ssize_t name## _read(struct file *file, char __user *userbuf, \ \ static const struct file_operations name## _ops = { \ .read = name## _read, \ - .open = cfg80211_open_file_generic, \ + .open = simple_open, \ .llseek = generic_file_llseek, \ }; @@ -102,7 +96,7 @@ static ssize_t ht40allow_map_read(struct file *file, static const struct file_operations ht40allow_map_ops = { .read = ht40allow_map_read, - .open = cfg80211_open_file_generic, + .open = simple_open, .llseek = default_llseek, }; diff --git a/scripts/coccinelle/api/simple_open.cocci b/scripts/coccinelle/api/simple_open.cocci new file mode 100644 index 00000000000..05962f7be15 --- /dev/null +++ b/scripts/coccinelle/api/simple_open.cocci @@ -0,0 +1,70 @@ +/// This removes an open coded simple_open() function +/// and replaces file operations references to the function +/// with simple_open() instead. +/// +// Confidence: High +// Comments: +// Options: -no_includes -include_headers + +virtual patch +virtual report + +@ open depends on patch @ +identifier open_f != simple_open; +identifier i, f; +@@ +-int open_f(struct inode *i, struct file *f) +-{ +( +-if (i->i_private) +-f->private_data = i->i_private; +| +-f->private_data = i->i_private; +) +-return 0; +-} + +@ has_open depends on open @ +identifier fops; +identifier open.open_f; +@@ +struct file_operations fops = { +..., +-.open = open_f, ++.open = simple_open, +... +}; + +@ openr depends on report @ +identifier open_f != simple_open; +identifier i, f; +position p; +@@ +int open_f@p(struct inode *i, struct file *f) +{ +( +if (i->i_private) +f->private_data = i->i_private; +| +f->private_data = i->i_private; +) +return 0; +} + +@ has_openr depends on openr @ +identifier fops; +identifier openr.open_f; +position p; +@@ +struct file_operations fops = { +..., +.open = open_f@p, +... +}; + +@script:python@ +pf << openr.p; +ps << has_openr.p; +@@ + +coccilib.report.print_report(pf[0],"WARNING opportunity for simple_open, see also structure on line %s"%(ps[0].line)) diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c index 601df809a26..1765a197acb 100644 --- a/sound/soc/imx/imx-audmux.c +++ b/sound/soc/imx/imx-audmux.c @@ -40,12 +40,6 @@ static void __iomem *audmux_base; #ifdef CONFIG_DEBUG_FS static struct dentry *audmux_debugfs_root; -static int audmux_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - /* There is an annoying discontinuity in the SSI numbering with regard * to the Linux number of the devices */ static const char *audmux_port_string(int port) @@ -142,7 +136,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf, } static const struct file_operations audmux_debugfs_fops = { - .open = audmux_open_file, + .open = simple_open, .read = audmux_read_file, .llseek = default_llseek, }; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index a4deebc0801..e19c24ade41 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -201,12 +201,6 @@ static ssize_t pmdown_time_set(struct device *dev, static DEVICE_ATTR(pmdown_time, 0644, pmdown_time_show, pmdown_time_set); #ifdef CONFIG_DEBUG_FS -static int codec_reg_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t codec_reg_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -264,7 +258,7 @@ static ssize_t codec_reg_write_file(struct file *file, } static const struct file_operations codec_reg_fops = { - .open = codec_reg_open_file, + .open = simple_open, .read = codec_reg_read_file, .write = codec_reg_write_file, .llseek = default_llseek, diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 6241490fff3..5cbd2d7623b 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1544,12 +1544,6 @@ static int dapm_power_widgets(struct snd_soc_dapm_context *dapm, int event) } #ifdef CONFIG_DEBUG_FS -static int dapm_widget_power_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dapm_widget_power_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -1613,17 +1607,11 @@ static ssize_t dapm_widget_power_read_file(struct file *file, } static const struct file_operations dapm_widget_power_fops = { - .open = dapm_widget_power_open_file, + .open = simple_open, .read = dapm_widget_power_read_file, .llseek = default_llseek, }; -static int dapm_bias_open_file(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1654,7 +1642,7 @@ static ssize_t dapm_bias_read_file(struct file *file, char __user *user_buf, } static const struct file_operations dapm_bias_fops = { - .open = dapm_bias_open_file, + .open = simple_open, .read = dapm_bias_read_file, .llseek = default_llseek, }; |