From patchwork Sat Apr 2 23:39:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Grzeschik X-Patchwork-Id: 12799998 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A91BCC433F5 for ; Mon, 4 Apr 2022 08:49:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240715AbiDDIvf (ORCPT ); Mon, 4 Apr 2022 04:51:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236395AbiDDIva (ORCPT ); Mon, 4 Apr 2022 04:51:30 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5F2F1EAC4 for ; Mon, 4 Apr 2022 01:49:34 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1nbIOz-0004pL-2E; Mon, 04 Apr 2022 10:49:33 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1nanKw-000dEy-KQ; Sun, 03 Apr 2022 01:39:17 +0200 Received: from mgr by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1nanKu-00FD9e-Au; Sun, 03 Apr 2022 01:39:16 +0200 From: Michael Grzeschik To: linux-usb@vger.kernel.org Cc: balbi@kernel.org, laurent.pinchart@ideasonboard.com, paul.elder@ideasonboard.com, kernel@pengutronix.de, nicolas@ndufresne.ca, kieran.bingham@ideasonboard.com Subject: [PATCH 5/5] usb: gadget: uvc: stop the pump on more conditions Date: Sun, 3 Apr 2022 01:39:14 +0200 Message-Id: <20220402233914.3625405-6-m.grzeschik@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220402233914.3625405-1-m.grzeschik@pengutronix.de> References: <20220402233914.3625405-1-m.grzeschik@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mgr@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-usb@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org While looping in the pump, there are more conditions to stop handling requests. The streamoff event that will disable the endpoint and the vb2_queue is called early. We add the variables into account. Signed-off-by: Michael Grzeschik Reported-by: kernel test robot --- drivers/usb/gadget/function/uvc_video.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c index 8b3116d48d2bd8..b1d7083d07846e 100644 --- a/drivers/usb/gadget/function/uvc_video.c +++ b/drivers/usb/gadget/function/uvc_video.c @@ -368,7 +368,7 @@ static void uvcg_video_pump(struct work_struct *work) unsigned long flags; int ret; - while (video->ep->enabled) { + while (video->ep->enabled || queue->queue.streaming || video->uvc->streamon) { /* Retrieve the first available USB request, protected by the * request lock. */