diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/agp/intel-agp.c | 8 | ||||
-rw-r--r-- | drivers/char/hvc_iucv.c | 2 | ||||
-rw-r--r-- | drivers/char/hw_random/amd-rng.c | 4 | ||||
-rw-r--r-- | drivers/char/hw_random/geode-rng.c | 3 | ||||
-rw-r--r-- | drivers/char/mem.c | 1 | ||||
-rw-r--r-- | drivers/char/n_tty.c | 3 | ||||
-rw-r--r-- | drivers/char/pty.c | 10 | ||||
-rw-r--r-- | drivers/char/random.c | 14 | ||||
-rw-r--r-- | drivers/char/sysrq.c | 19 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_tis.c | 12 |
10 files changed, 48 insertions, 28 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 8c9d50db5c3..c5855779058 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -49,6 +49,7 @@ #define PCI_DEVICE_ID_INTEL_IGDNG_D_HB 0x0040 #define PCI_DEVICE_ID_INTEL_IGDNG_D_IG 0x0042 #define PCI_DEVICE_ID_INTEL_IGDNG_M_HB 0x0044 +#define PCI_DEVICE_ID_INTEL_IGDNG_MA_HB 0x0062 #define PCI_DEVICE_ID_INTEL_IGDNG_M_IG 0x0046 /* cover 915 and 945 variants */ @@ -81,7 +82,8 @@ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_D_HB || \ - agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB) + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB || \ + agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_MA_HB) extern int agp_memory_reserved; @@ -1216,6 +1218,7 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size) case PCI_DEVICE_ID_INTEL_G41_HB: case PCI_DEVICE_ID_INTEL_IGDNG_D_HB: case PCI_DEVICE_ID_INTEL_IGDNG_M_HB: + case PCI_DEVICE_ID_INTEL_IGDNG_MA_HB: *gtt_offset = *gtt_size = MB(2); break; default: @@ -2195,6 +2198,8 @@ static const struct intel_driver_description { "IGDNG/D", NULL, &intel_i965_driver }, { PCI_DEVICE_ID_INTEL_IGDNG_M_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0, "IGDNG/M", NULL, &intel_i965_driver }, + { PCI_DEVICE_ID_INTEL_IGDNG_MA_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0, + "IGDNG/MA", NULL, &intel_i965_driver }, { 0, 0, 0, NULL, NULL, NULL } }; @@ -2398,6 +2403,7 @@ static struct pci_device_id agp_intel_pci_table[] = { ID(PCI_DEVICE_ID_INTEL_G41_HB), ID(PCI_DEVICE_ID_INTEL_IGDNG_D_HB), ID(PCI_DEVICE_ID_INTEL_IGDNG_M_HB), + ID(PCI_DEVICE_ID_INTEL_IGDNG_MA_HB), { } }; diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c index 86105efb4eb..0ecac7e532f 100644 --- a/drivers/char/hvc_iucv.c +++ b/drivers/char/hvc_iucv.c @@ -1006,7 +1006,7 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console) priv->dev->release = (void (*)(struct device *)) kfree; rc = device_register(priv->dev); if (rc) { - kfree(priv->dev); + put_device(priv->dev); goto out_error_dev; } diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index cd0ba51f7c8..0d8c5788b8e 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -44,8 +44,8 @@ * want to register another driver on the same PCI id. */ static const struct pci_device_id pci_tbl[] = { - { 0x1022, 0x7443, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, - { 0x1022, 0x746b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, + { PCI_VDEVICE(AMD, 0x7443), 0, }, + { PCI_VDEVICE(AMD, 0x746b), 0, }, { 0, }, /* terminate list */ }; MODULE_DEVICE_TABLE(pci, pci_tbl); diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c index 64d513f6836..4c4d4e140f9 100644 --- a/drivers/char/hw_random/geode-rng.c +++ b/drivers/char/hw_random/geode-rng.c @@ -46,8 +46,7 @@ * want to register another driver on the same PCI id. */ static const struct pci_device_id pci_tbl[] = { - { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_LX_AES, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_LX_AES), 0, }, { 0, }, /* terminate list */ }; MODULE_DEVICE_TABLE(pci, pci_tbl); diff --git a/drivers/char/mem.c b/drivers/char/mem.c index afa8813e737..645237bda68 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -822,6 +822,7 @@ static const struct file_operations zero_fops = { * - permits private mappings, "copies" are taken of the source of zeros */ static struct backing_dev_info zero_bdi = { + .name = "char/mem", .capabilities = BDI_CAP_MAP_COPY, }; diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 973be2f4419..4e28b35024e 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -300,8 +300,7 @@ static int do_output_char(unsigned char c, struct tty_struct *tty, int space) if (space < 2) return -1; tty->canon_column = tty->column = 0; - tty_put_char(tty, '\r'); - tty_put_char(tty, c); + tty->ops->write(tty, "\r\n", 2); return 2; } tty->canon_column = tty->column; diff --git a/drivers/char/pty.c b/drivers/char/pty.c index d083c73d784..b33d6688e91 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -109,21 +109,13 @@ static int pty_space(struct tty_struct *to) * the other side of the pty/tty pair. */ -static int pty_write(struct tty_struct *tty, const unsigned char *buf, - int count) +static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) { struct tty_struct *to = tty->link; - int c; if (tty->stopped) return 0; - /* This isn't locked but our 8K is quite sloppy so no - big deal */ - - c = pty_space(to); - if (c > count) - c = count; if (c > 0) { /* Stuff the data into the input queue of the other end */ c = tty_insert_flip_string(to, buf, c); diff --git a/drivers/char/random.c b/drivers/char/random.c index 8c7444857a4..d8a9255e1a3 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -240,6 +240,7 @@ #include <linux/spinlock.h> #include <linux/percpu.h> #include <linux/cryptohash.h> +#include <linux/fips.h> #ifdef CONFIG_GENERIC_HARDIRQS # include <linux/irq.h> @@ -413,6 +414,7 @@ struct entropy_store { unsigned add_ptr; int entropy_count; int input_rotate; + __u8 *last_data; }; static __u32 input_pool_data[INPUT_POOL_WORDS]; @@ -852,12 +854,21 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, { ssize_t ret = 0, i; __u8 tmp[EXTRACT_SIZE]; + unsigned long flags; xfer_secondary_pool(r, nbytes); nbytes = account(r, nbytes, min, reserved); while (nbytes) { extract_buf(r, tmp); + + if (r->last_data) { + spin_lock_irqsave(&r->lock, flags); + if (!memcmp(tmp, r->last_data, EXTRACT_SIZE)) + panic("Hardware RNG duplicated output!\n"); + memcpy(r->last_data, tmp, EXTRACT_SIZE); + spin_unlock_irqrestore(&r->lock, flags); + } i = min_t(int, nbytes, EXTRACT_SIZE); memcpy(buf, tmp, i); nbytes -= i; @@ -940,6 +951,9 @@ static void init_std_data(struct entropy_store *r) now = ktime_get_real(); mix_pool_bytes(r, &now, sizeof(now)); mix_pool_bytes(r, utsname(), sizeof(*(utsname()))); + /* Enable continuous test in fips mode */ + if (fips_enabled) + r->last_data = kmalloc(EXTRACT_SIZE, GFP_KERNEL); } static int rand_initialize(void) diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 5d7a02f63e1..50eecfe1d72 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -24,6 +24,7 @@ #include <linux/sysrq.h> #include <linux/kbd_kern.h> #include <linux/proc_fs.h> +#include <linux/nmi.h> #include <linux/quotaops.h> #include <linux/perf_counter.h> #include <linux/kernel.h> @@ -222,12 +223,20 @@ static DECLARE_WORK(sysrq_showallcpus, sysrq_showregs_othercpus); static void sysrq_handle_showallcpus(int key, struct tty_struct *tty) { - struct pt_regs *regs = get_irq_regs(); - if (regs) { - printk(KERN_INFO "CPU%d:\n", smp_processor_id()); - show_regs(regs); + /* + * Fall back to the workqueue based printing if the + * backtrace printing did not succeed or the + * architecture has no support for it: + */ + if (!trigger_all_cpu_backtrace()) { + struct pt_regs *regs = get_irq_regs(); + + if (regs) { + printk(KERN_INFO "CPU%d:\n", smp_processor_id()); + show_regs(regs); + } + schedule_work(&sysrq_showallcpus); } - schedule_work(&sysrq_showallcpus); } static struct sysrq_key_op sysrq_showallcpus_op = { diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index aec1931608a..0b73e4ec1ad 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -450,6 +450,12 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, goto out_err; } + /* Default timeouts */ + chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT); + chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT); + chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT); + chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT); + if (request_locality(chip, 0) != 0) { rc = -ENODEV; goto out_err; @@ -457,12 +463,6 @@ static int tpm_tis_init(struct device *dev, resource_size_t start, vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0)); - /* Default timeouts */ - chip->vendor.timeout_a = msecs_to_jiffies(TIS_SHORT_TIMEOUT); - chip->vendor.timeout_b = msecs_to_jiffies(TIS_LONG_TIMEOUT); - chip->vendor.timeout_c = msecs_to_jiffies(TIS_SHORT_TIMEOUT); - chip->vendor.timeout_d = msecs_to_jiffies(TIS_SHORT_TIMEOUT); - dev_info(dev, "1.2 TPM (device-id 0x%X, rev-id %d)\n", vendor >> 16, ioread8(chip->vendor.iobase + TPM_RID(0))); |