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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 09:44:51 +0400 |
| commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
| tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /drivers/char/raw.c | |
| parent | 585583d95c5660973bc0cf64add517b040acd8a4 (diff) | |
| parent | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff) | |
| download | linux-43d2548bb2ef7e6d753f91468a746784041e522d.tar.xz | |
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of:
arch/powerpc/Kconfig
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: |