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

Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/videodev.c

@@ -734,7 +734,7 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
 	{
 		struct video_mbuf *p=arg;
 
-		memset(&p,0,sizeof(p));
+		memset(p,0,sizeof(p));
 
 		if (!vfd->vidiocgmbuf)
 			break;

drivers/media/video/vivi.c

@@ -1000,7 +1000,7 @@ static int vidiocgmbuf (struct file *file, void *priv, struct video_mbuf *mbuf)
 	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++) {