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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-15 23:12:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-15 23:12:58 +0200 |
| commit | 1e09481365ce248dbb4eb06dad70129bb5807037 (patch) | |
| tree | c0cff5bef95c8b5e7486f144718ade9a06c284dc /drivers/sbus/char/bpp.c | |
| parent | softlockup: fix watchdog task wakeup frequency (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pen... (diff) | |
| download | linux-1e09481365ce248dbb4eb06dad70129bb5807037.tar.xz linux-1e09481365ce248dbb4eb06dad70129bb5807037.zip | |
Merge branch 'linus' into core/softlockup
Conflicts:
kernel/softlockup.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/sbus/char/bpp.c')
| -rw-r--r-- | drivers/sbus/char/bpp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/sbus/char/bpp.c b/drivers/sbus/char/bpp.c index 03c966059471..bba21e053a1b 100644 --- a/drivers/sbus/char/bpp.c +++ b/drivers/sbus/char/bpp.c @@ -19,6 +19,7 @@ #include <linux/timer.h> #include <linux/ioport.h> #include <linux/major.h> +#include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/io.h> @@ -429,6 +430,7 @@ static int bpp_open(struct inode *inode, struct file *f) unsigned minor = iminor(inode); int ret; + lock_kernel(); spin_lock(&bpp_open_lock); ret = 0; if (minor >= BPP_NO) { @@ -444,6 +446,7 @@ static int bpp_open(struct inode *inode, struct file *f) } } spin_unlock(&bpp_open_lock); + unlock_kernel(); return ret; } |