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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
| commit | 9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch) | |
| tree | 0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /drivers/sbus/char/cpwatchdog.c | |
| parent | nohz: prevent tick stop outside of the idle loop (diff) | |
| parent | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.xz linux-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip | |
Merge branch 'linus' into timers/nohz
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)); } |