usb: gadget: uvc: return error from uvcg_queue_init()

uvcg_queue_init() may fail, but its return value is currently ignored.
Propagate the error code from uvcg_queue_init() to correctly report
initialization failures.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://patch.msgid.link/20260113-uvc-gadget-fix-patch-v2-3-62950ef5bcb5@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Xu Yang

drivers/usb/gadget/function/uvc_video.c

@@ -838,7 +838,6 @@ int uvcg_video_init(struct uvc_video *video, struct uvc_device *uvc)
 	video->interval = 666666;
 
 	/* Initialize the video buffers queue. */
-	uvcg_queue_init(&video->queue, uvc->v4l2_dev.dev->parent,
+	return uvcg_queue_init(&video->queue, uvc->v4l2_dev.dev->parent,
 			V4L2_BUF_TYPE_VIDEO_OUTPUT, &video->mutex);
-	return 0;
 }