usb: gadget: uvc: call uvc uvcg_warn on completed status instead of uvcg_info

stable inclusion
from stable-v5.10.138
commit 24304c6f9c1176b31ff8669f5fd5ae94d729fa48
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I60QFD

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=24304c6f9c1176b31ff8669f5fd5ae94d729fa48

--------------------------------

[ Upstream commit a725d0f6 ]

Likewise to the uvcvideo hostside driver, this patch is changing the
usb_request message of an non zero completion handler call from dev_info
to dev_warn.
Reviewed-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMichael Grzeschik <m.grzeschik@pengutronix.de>
Link: https://lore.kernel.org/r/20220529223848.105914-4-m.grzeschik@pengutronix.deSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Reviewed-by: NWei Li <liwei391@huawei.com>

drivers/usb/gadget/function/uvc_video.c

@@ -159,7 +159,7 @@ uvc_video_complete(struct usb_ep *ep, struct usb_request *req)
 		break;
 
 	default:
-		uvcg_info(&video->uvc->func,
+		uvcg_warn(&video->uvc->func,
 			  "VS request completed with status %d.\n",
 			  req->status);
 		uvcg_queue_cancel(queue, 0);