V4L/DVB (4112): Fix: videodev.c were cleaning the pointer, not the values

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 3f7a94b..311149b 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -734,7 +734,7 @@
 	{
 		struct video_mbuf *p=arg;
 
-		memset(&p,0,sizeof(p));
+		memset(p,0,sizeof(p));
 
 		if (!vfd->vidiocgmbuf)
 			break;
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c
index 0aa54fb..269c1b1 100644
--- a/drivers/media/video/vivi.c
+++ b/drivers/media/video/vivi.c
@@ -1000,7 +1000,7 @@
 	ret = videobuf_reqbufs(q,&req);
 	if (ret < 0)
 		return (ret);
-	memset(mbuf,0,sizeof(*mbuf));
+
 	mbuf->frames = req.count;
 	mbuf->size   = 0;
 	for (i = 0; i < mbuf->frames; i++) {