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path: root/drivers/media/video/cafe_ccic.c
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Diffstat (limited to 'drivers/media/video/cafe_ccic.c')
-rw-r--r--drivers/media/video/cafe_ccic.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/video/cafe_ccic.c b/drivers/media/video/cafe_ccic.c
index 5405c30dbb04..e9994c81df66 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)
{
struct cafe_camera *cam;
+ lock_kernel();
cam = cafe_find_dev(iminor(inode));
- if (cam == NULL)
+ if (cam == NULL) {
+ unlock_kernel();
return -ENODEV;
+ }
filp->private_data = cam;
mutex_lock(&cam->s_mutex);
@@ -1490,6 +1493,7 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp)
}
(cam->users)++;
mutex_unlock(&cam->s_mutex);
+ unlock_kernel();
return 0;
}

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