[media] gspca: s/strncpy/strlcpy/

Just like in userspace strncpy does not guarantee 0 termination. Use strlcpy
instead which does guarantee 0 termination.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/gspca.c

@@ -1281,10 +1281,10 @@ static int vidioc_querycap(struct file *file, void  *priv,
 		ret = -ENODEV;
 		goto out;
 	}
-	strncpy((char *) cap->driver, gspca_dev->sd_desc->name,
+	strlcpy((char *) cap->driver, gspca_dev->sd_desc->name,
 			sizeof cap->driver);
 	if (gspca_dev->dev->product != NULL) {
-		strncpy((char *) cap->card, gspca_dev->dev->product,
+		strlcpy((char *) cap->card, gspca_dev->dev->product,
 			sizeof cap->card);
 	} else {
 		snprintf((char *) cap->card, sizeof cap->card,
@@ -1462,7 +1462,7 @@ static int vidioc_enum_input(struct file *file, void *priv,
 		return -EINVAL;
 	input->type = V4L2_INPUT_TYPE_CAMERA;
 	input->status = gspca_dev->cam.input_flags;
-	strncpy(input->name, gspca_dev->sd_desc->name,
+	strlcpy(input->name, gspca_dev->sd_desc->name,
 		sizeof input->name);
 	return 0;
 }

drivers/media/video/gspca/t613.c

@@ -1387,7 +1387,7 @@ static int sd_querymenu(struct gspca_dev *gspca_dev,
 		return 0;
 	case V4L2_CID_EFFECTS:
 		if ((unsigned) menu->index < ARRAY_SIZE(effects_control)) {
-			strncpy((char *) menu->name,
+			strlcpy((char *) menu->name,
 				effects_control[menu->index],
 				sizeof menu->name);
 			return 0;