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author | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 18:40:14 +0400 |
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committer | David Woodhouse <David.Woodhouse@intel.com> | 2008-07-25 18:40:14 +0400 |
commit | ff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch) | |
tree | 85205005c611ab774702148558321c6fb92f1ccd /drivers/sbus/char/cpwatchdog.c | |
parent | 30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff) | |
parent | d37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff) | |
download | linux-ff877ea80efa2015b6263766f78ee42c2a1b32f9.tar.xz |
Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6
Diffstat (limited to 'drivers/sbus/char/cpwatchdog.c')
-rw-r--r-- | drivers/sbus/char/cpwatchdog.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c index 235703414370..23abfdfb44f1 100644 --- a/drivers/sbus/char/cpwatchdog.c +++ b/drivers/sbus/char/cpwatchdog.c @@ -279,6 +279,7 @@ static inline int wd_opt_timeout(void) static int wd_open(struct inode *inode, struct file *f) { + lock_kernel(); switch(iminor(inode)) { case WD0_MINOR: @@ -291,6 +292,7 @@ static int wd_open(struct inode *inode, struct file *f) f->private_data = &wd_dev.watchdog[WD2_ID]; break; default: + unlock_kernel(); return(-ENODEV); } @@ -304,11 +306,13 @@ static int wd_open(struct inode *inode, struct file *f) (void *)wd_dev.regs)) { printk("%s: Cannot register IRQ %d\n", WD_OBPNAME, wd_dev.irq); + unlock_kernel(); return(-EBUSY); } wd_dev.initialized = 1; } + unlock_kernel(); return(nonseekable_open(inode, f)); } |