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| author |   Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 22:50:34 +0200 |
| commit | a208f37a465e222218974ab20a31b42b7b4893b2 (patch) | |
| tree | 77c6acdd4be32024330a14f2618b814126ce7a20 /drivers/char/raw.c | |
| parent | x86: apic_ops for lguest (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff) | |
| download | wireguard-linux-a208f37a465e222218974ab20a31b42b7b4893b2.tar.xz wireguard-linux-a208f37a465e222218974ab20a31b42b7b4893b2.zip | |
Merge branch 'linus' into x86/x2apic
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: |