diff options
Diffstat (limited to 'drivers/media/video/cafe_ccic.c')
-rw-r--r-- | drivers/media/video/cafe_ccic.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c index 08efbe7254ff..fc9497bdd322 100644 --- a/drivers/media/video/cafe_ccic.c +++ b/drivers/media/video/cafe_ccic.c | |||
@@ -1476,9 +1476,12 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) | |||
1476 | { | 1476 | { |
1477 | struct cafe_camera *cam; | 1477 | struct cafe_camera *cam; |
1478 | 1478 | ||
1479 | lock_kernel(); | ||
1479 | cam = cafe_find_dev(iminor(inode)); | 1480 | cam = cafe_find_dev(iminor(inode)); |
1480 | if (cam == NULL) | 1481 | if (cam == NULL) { |
1482 | unlock_kernel(); | ||
1481 | return -ENODEV; | 1483 | return -ENODEV; |
1484 | } | ||
1482 | filp->private_data = cam; | 1485 | filp->private_data = cam; |
1483 | 1486 | ||
1484 | mutex_lock(&cam->s_mutex); | 1487 | mutex_lock(&cam->s_mutex); |
@@ -1490,6 +1493,7 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp) | |||
1490 | } | 1493 | } |
1491 | (cam->users)++; | 1494 | (cam->users)++; |
1492 | mutex_unlock(&cam->s_mutex); | 1495 | mutex_unlock(&cam->s_mutex); |
1496 | unlock_kernel(); | ||
1493 | return 0; | 1497 | return 0; |
1494 | } | 1498 | } |
1495 | 1499 | ||