diff options
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/serio/serio_raw.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c index 0403622ae26..c9397c8ee97 100644 --- a/drivers/input/serio/serio_raw.c +++ b/drivers/input/serio/serio_raw.c @@ -10,6 +10,7 @@ */ #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/poll.h> #include <linux/module.h> #include <linux/serio.h> @@ -81,9 +82,10 @@ static int serio_raw_open(struct inode *inode, struct file *file) struct serio_raw_list *list; int retval = 0; + lock_kernel(); retval = mutex_lock_interruptible(&serio_raw_mutex); if (retval) - return retval; + goto out_bkl; if (!(serio_raw = serio_raw_locate(iminor(inode)))) { retval = -ENODEV; @@ -108,6 +110,8 @@ static int serio_raw_open(struct inode *inode, struct file *file) out: mutex_unlock(&serio_raw_mutex); +out_bkl: + unlock_kernel(); return retval; } |