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authorDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 18:40:14 +0400
committerDavid Woodhouse <David.Woodhouse@intel.com>2008-07-25 18:40:14 +0400
commitff877ea80efa2015b6263766f78ee42c2a1b32f9 (patch)
tree85205005c611ab774702148558321c6fb92f1ccd /drivers/sbus/char/cpwatchdog.c
parent30821fee4f0cb3e6d241d9f7ddc37742212e3eb7 (diff)
parentd37e6bf68fc1eb34a4ad21d9ae8890ed37ea80e7 (diff)
downloadlinux-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.c4
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));
}