From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21D42C4332F for ; Tue, 16 Nov 2021 01:32:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 065FB61027 for ; Tue, 16 Nov 2021 01:32:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350886AbhKPBfi (ORCPT ); Mon, 15 Nov 2021 20:35:38 -0500 Received: from mail.kernel.org ([198.145.29.99]:42056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242341AbhKOSfL (ORCPT ); Mon, 15 Nov 2021 13:35:11 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BDFFB632D9; Mon, 15 Nov 2021 18:01:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636999291; bh=6XPr30Qa6htGATQEnJrk0YD7dgGT0l9kyX5Ji03LveA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cWxkQA/bKWwjaBAlUfMdvKtG7Rg4Kz0l6VvkCIq0zwx2KDVH8OluvNHMdZMi3HC/s UAYcJbdJlEqVGt2CmoUuC/+RPDlTmKvcu2BgLYUj2nk5bKjT4mQB1vzZuIhwlExqy7 ZrWmBxu5mEOMXA3K86OI+yFsd2q9H+hGGxU82IIg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans Verkuil , Ricardo Ribalda , Laurent Pinchart , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.14 243/849] media: uvcvideo: Return -EIO for control errors Date: Mon, 15 Nov 2021 17:55:26 +0100 Message-Id: <20211115165428.430798085@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165419.961798833@linuxfoundation.org> References: <20211115165419.961798833@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ricardo Ribalda [ Upstream commit ffccdde5f0e17d2f0d788a9d831a027187890eaa ] The device is doing something unexpected with the control. Either because the protocol is not properly implemented or there has been a HW error. Fixes v4l2-compliance: Control ioctls (Input 0): fail: v4l2-test-controls.cpp(448): s_ctrl returned an error (22) test VIDIOC_G/S_CTRL: FAIL fail: v4l2-test-controls.cpp(698): s_ext_ctrls returned an error (22) test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL Reviewed-by: Hans Verkuil Signed-off-by: Ricardo Ribalda Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/usb/uvc/uvc_video.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index e16464606b140..9f37eaf28ce7e 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -115,6 +115,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit, case 5: /* Invalid unit */ case 6: /* Invalid control */ case 7: /* Invalid Request */ + /* + * The firmware has not properly implemented + * the control or there has been a HW error. + */ + return -EIO; case 8: /* Invalid value within range */ return -EINVAL; default: /* reserved or unknown */ -- 2.33.0