V4L/DVB (9157): cx18/ivtv: add 'PCI:' prefix to bus_info.

Suggested by Martin Dauskardt. This is conform what the other drivers do.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/cx18/cx18-ioctl.c

@@ -346,7 +346,7 @@ static int cx18_querycap(struct file *file, void *fh,
 
 	strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 	strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
-	strlcpy(vcap->bus_info, pci_name(cx->dev), sizeof(vcap->bus_info));
+	snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev));
 	vcap->version = CX18_DRIVER_VERSION; 	    /* version */
 	vcap->capabilities = cx->v4l2_cap; 	    /* capabilities */
 	return 0;

drivers/media/video/ivtv/ivtv-ioctl.c

@@ -750,7 +750,7 @@ static int ivtv_querycap(struct file *file, void *fh, struct v4l2_capability *vc
 
 	strlcpy(vcap->driver, IVTV_DRIVER_NAME, sizeof(vcap->driver));
 	strlcpy(vcap->card, itv->card_name, sizeof(vcap->card));
-	strlcpy(vcap->bus_info, pci_name(itv->dev), sizeof(vcap->bus_info));
+	snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(itv->dev));
 	vcap->version = IVTV_DRIVER_VERSION; 	    /* version */
 	vcap->capabilities = itv->v4l2_cap; 	    /* capabilities */
 	return 0;