V4L/DVB (9355): de-BKL cafe_ccic.c
Jonathan Corbet [Fri, 17 Oct 2008 23:19:29 +0000 (20:19 -0300)]
Remove lock_kernel() call from cafe_ccic.c

Commit d56dc61265d2527a63ab5b0f03199a43cd89ca36 added lock_kernel()
calls to cafe_ccic.c.  But that driver was written with proper locking
and does not need the BKL, so take it back out.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cafe_ccic.c

index a8c068e..1740b9e 100644 (file)
@@ -1476,12 +1476,9 @@ 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) {
-               unlock_kernel();
+       if (cam == NULL)
                return -ENODEV;
-       }
        filp->private_data = cam;
 
        mutex_lock(&cam->s_mutex);
@@ -1493,7 +1490,6 @@ static int cafe_v4l_open(struct inode *inode, struct file *filp)
        }
        (cam->users)++;
        mutex_unlock(&cam->s_mutex);
-       unlock_kernel();
        return 0;
 }