[04/11] drivers/media/video: avoid NULL dereference

Commit Message

Andrew Morton April 27, 2010, 9:11 p.m. UTC

None

Patch

diff -puN drivers/media/video/ov511.c~drivers-media-video-avoid-null-dereference drivers/media/video/ov511.c
--- a/drivers/media/video/ov511.c~drivers-media-video-avoid-null-dereference
+++ a/drivers/media/video/ov511.c
@@ -5916,11 +5916,6 @@  ov51x_disconnect(struct usb_interface *i
 	mutex_lock(&ov->lock);
 	usb_set_intfdata (intf, NULL);
 
-	if (!ov) {
-		mutex_unlock(&ov->lock);
-		return;
-	}
-
 	/* Free device number */
 	ov511_devused &= ~(1 << ov->nr);