diff options
| -rw-r--r-- | arch/um/drivers/harddog_kern.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c index a9ad4bd6d95..d332503fa1b 100644 --- a/arch/um/drivers/harddog_kern.c +++ b/arch/um/drivers/harddog_kern.c @@ -66,6 +66,7 @@ static int harddog_open(struct inode *inode, struct file *file) int err = -EBUSY; char *sock = NULL; + lock_kernel(); spin_lock(&lock); if(timer_alive) goto err; @@ -82,9 +83,11 @@ static int harddog_open(struct inode *inode, struct file *file) timer_alive = 1; spin_unlock(&lock); + unlock_kernel(); return nonseekable_open(inode, file); err: spin_unlock(&lock); + unlock_kernel(); return err; } |