[media] v4l: omap4iss: Remove unneeded status variable

The failure variable is initialized with 0 and used as a return value
without ever being modified. Remove it and return 0 directly.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/media/omap4iss/iss.c

@@ -560,7 +560,6 @@ static int iss_pipeline_disable(struct iss_pipeline *pipe)
 	struct media_entity *entity;
 	struct media_pad *pad;
 	struct v4l2_subdev *subdev;
-	int failure = 0;
 
 	entity = &pipe->output->video.entity;
 	while (1) {
@@ -579,7 +578,7 @@ static int iss_pipeline_disable(struct iss_pipeline *pipe)
 		v4l2_subdev_call(subdev, video, s_stream, 0);
 	}
 
-	return failure;
+	return 0;
 }
 
 /*