V4L/DVB (11853): minor have assigned value twice

The variable minor have assigned value twice, the first time is in the
initial "video_device" data struct in those drivers, pls see
saa7134-video.c,line 2503.

 ---
Signed-off-by: Figo.zhang <figo.zhang@kolorific.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/bt8xx/bttv-driver.c

@@ -4166,7 +4166,6 @@ static struct video_device *vdev_init(struct bttv *btv,
 	if (NULL == vfd)
 		return NULL;
 	*vfd = *template;
-	vfd->minor   = -1;
 	vfd->v4l2_dev = &btv->c.v4l2_dev;
 	vfd->release = video_device_release;
 	vfd->debug   = bttv_debug;

drivers/media/video/cx23885/cx23885-417.c

@@ -1742,7 +1742,6 @@ static struct video_device *cx23885_video_dev_alloc(
 	if (NULL == vfd)
 		return NULL;
 	*vfd = *template;
-	vfd->minor   = -1;
 	snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
 		type, cx23885_boards[tsport->dev->board].name);
 	vfd->parent  = &pci->dev;

drivers/media/video/cx88/cx88-core.c

@@ -1010,7 +1010,6 @@ struct video_device *cx88_vdev_init(struct cx88_core *core,
 	if (NULL == vfd)
 		return NULL;
 	*vfd = *template;
-	vfd->minor   = -1;
 	vfd->v4l2_dev = &core->v4l2_dev;
 	vfd->parent = &pci->dev;
 	vfd->release = video_device_release;

drivers/media/video/saa7134/saa7134-core.c

@@ -775,7 +775,6 @@ static struct video_device *vdev_init(struct saa7134_dev *dev,
 	if (NULL == vfd)
 		return NULL;
 	*vfd = *template;
-	vfd->minor   = -1;
 	vfd->v4l2_dev  = &dev->v4l2_dev;
 	vfd->release = video_device_release;
 	vfd->debug   = video_debug;