[media] v4l: vsp1: Clean up file handle in open() error path

v4l2_fh_init is already done. So call the v4l2_fh_exit in error
condition before returing from the function.
Signed-off-by: Shailendra Verma <shailendra.v@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/platform/vsp1/vsp1_video.c

@@ -1050,6 +1050,7 @@ static int vsp1_video_open(struct file *file)
 	ret = vsp1_device_get(video->vsp1);
 	if (ret < 0) {
 		v4l2_fh_del(vfh);
+		v4l2_fh_exit(vfh);
 		kfree(vfh);
 	}