diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 21:13:20 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 21:13:20 +0200 |
| commit | f6dc8ccaab6d8f63cbae1e6c73fe972b26f5376c (patch) | |
| tree | c5643fcdc884a8d0bfc3f1bc28039cab7394e5bc /drivers/char/raw.c | |
| parent | 323ec001c6bb98eeabb5abbdbb8c8055d9496554 (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'linus' into core/generic-dma-coherent
Conflicts:
kernel/Makefile
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/raw.c')
| -rw-r--r-- | drivers/char/raw.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/raw.c b/drivers/char/raw.c index bbfa0e241cba..505fcbe884a4 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -19,6 +19,7 @@ #include <linux/cdev.h> #include <linux/device.h> #include <linux/mutex.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> @@ -53,6 +54,7 @@ static int raw_open(struct inode *inode, struct file *filp) return 0; } + lock_kernel(); mutex_lock(&raw_mutex); /* @@ -79,6 +81,7 @@ static int raw_open(struct inode *inode, struct file *filp) bdev->bd_inode->i_mapping; filp->private_data = bdev; mutex_unlock(&raw_mutex); + unlock_kernel(); return 0; out2: |