diff options
| author | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-06-01 12:42:12 +0200 |
| commit | b4ca761577535b2b4d153689ee97342797dfff05 (patch) | |
| tree | 29054d55508f1faa22ec32acf7c245751af03348 /drivers/char/generic_nvram.c | |
| parent | 28f4197e5d4707311febeec8a0eb97cb5fd93c97 (diff) | |
| parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
Merge branch 'master' into for-linus
Conflicts:
fs/pipe.c
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/char/generic_nvram.c')
| -rw-r--r-- | drivers/char/generic_nvram.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index fda4181b5e6..82b5a88a82d 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -19,6 +19,7 @@ #include <linux/miscdevice.h> #include <linux/fcntl.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/nvram.h> #ifdef CONFIG_PPC_PMAC @@ -84,8 +85,7 @@ static ssize_t write_nvram(struct file *file, const char __user *buf, return p - buf; } -static int nvram_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static int nvram_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { switch(cmd) { #ifdef CONFIG_PPC_PMAC @@ -116,12 +116,23 @@ static int nvram_ioctl(struct inode *inode, struct file *file, return 0; } +static long nvram_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + int ret; + + lock_kernel(); + ret = nvram_ioctl(file, cmd, arg); + unlock_kernel(); + + return ret; +} + const struct file_operations nvram_fops = { .owner = THIS_MODULE, .llseek = nvram_llseek, .read = read_nvram, .write = write_nvram, - .ioctl = nvram_ioctl, + .unlocked_ioctl = nvram_unlocked_ioctl, }; static struct miscdevice nvram_dev = { |