V4L/DVB (8779): v4l: fix more incorrect video_register_device result checks

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/bw-qcam.c

@@ -946,8 +946,7 @@ static int init_bwqcam(struct parport *port)
 
 	printk(KERN_INFO "Connectix Quickcam on %s\n", qcam->pport->name);
 
-	if(video_register_device(&qcam->vdev, VFL_TYPE_GRABBER, video_nr)==-1)
-	{
+	if (video_register_device(&qcam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		parport_unregister_device(qcam->pdev);
 		kfree(qcam);
 		return -ENODEV;

drivers/media/video/c-qcam.c

@@ -787,8 +787,7 @@ static int init_cqcam(struct parport *port)
 
 	parport_release(qcam->pdev);
 
-	if (video_register_device(&qcam->vdev, VFL_TYPE_GRABBER, video_nr)==-1)
-	{
+	if (video_register_device(&qcam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		printk(KERN_ERR "Unable to register Colour QuickCam on %s\n",
 		       qcam->pport->name);
 		parport_unregister_device(qcam->pdev);

drivers/media/video/cpia.c

@@ -3955,7 +3955,7 @@ struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowleve
 	camera->lowlevel_data = lowlevel;
 
 	/* register v4l device */
-	if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
+	if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		kfree(camera);
 		printk(KERN_DEBUG "video_register_device failed\n");
 		return NULL;

drivers/media/video/cpia2/cpia2_v4l.c

@@ -1958,8 +1958,7 @@ int cpia2_register_camera(struct camera_data *cam)
 	reset_camera_struct_v4l(cam);
 
 	/* register v4l device */
-	if (video_register_device
-	    (cam->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
+	if (video_register_device(cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		ERR("video_register_device failed\n");
 		video_device_release(cam->vdev);
 		return -ENODEV;

drivers/media/video/se401.c

@@ -1397,7 +1397,7 @@ static int se401_probe(struct usb_interface *intf,
 	mutex_init(&se401->lock);
 	wmb();
 
-	if (video_register_device(&se401->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
+	if (video_register_device(&se401->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		kfree(se401);
 		err("video_register_device failed");
 		return -EIO;

drivers/media/video/stv680.c

@@ -1462,7 +1462,7 @@ static int stv680_probe (struct usb_interface *intf, const struct usb_device_id
 	mutex_init (&stv680->lock);
 	wmb ();
 
-	if (video_register_device (stv680->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
+	if (video_register_device(stv680->vdev, VFL_TYPE_GRABBER, video_nr) < 0) {
 		PDEBUG (0, "STV(e): video_register_device failed");
 		retval = -EIO;
 		goto error_vdev;

drivers/media/video/usbvideo/vicam.c

@@ -866,7 +866,7 @@ vicam_probe( struct usb_interface *intf, const struct usb_device_id *id)
 	cam->udev = dev;
 	cam->bulkEndpoint = bulkEndpoint;
 
-	if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1) == -1) {
+	if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1) < 0) {
 		kfree(cam);
 		printk(KERN_WARNING "video_register_device failed\n");
 		return -EIO;

drivers/media/video/w9966.c

@@ -334,7 +334,7 @@ static int w9966_init(struct w9966_dev* cam, struct parport* port)
 	memcpy(&cam->vdev, &w9966_template, sizeof(struct video_device));
 	cam->vdev.priv = cam;
 
-	if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) == -1)
+	if (video_register_device(&cam->vdev, VFL_TYPE_GRABBER, video_nr) < 0)
 		return -1;
 
 	w9966_setState(cam, W9966_STATE_VDEV, W9966_STATE_VDEV);