From patchwork Mon Jul 5 13:43:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "liwei \(GF\)" X-Patchwork-Id: 470228 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5786C07E99 for ; Mon, 5 Jul 2021 13:40:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D7E761447 for ; Mon, 5 Jul 2021 13:40:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230414AbhGENmz (ORCPT ); Mon, 5 Jul 2021 09:42:55 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:6058 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230333AbhGENmz (ORCPT ); Mon, 5 Jul 2021 09:42:55 -0400 Received: from dggeme754-chm.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4GJRWF0ZFNzXpVT; Mon, 5 Jul 2021 21:34:49 +0800 (CST) Received: from localhost.localdomain (10.175.103.91) by dggeme754-chm.china.huawei.com (10.3.19.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Mon, 5 Jul 2021 21:40:14 +0800 From: Wei Li To: Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Chandan Uddaraju , Sravanthi Kollukuduru , Archit Taneja , Rajesh Yadav , Abhinav Kumar CC: , , , , Subject: [PATCH RESEND] drm/msm: Fix error return code in msm_drm_init() Date: Mon, 5 Jul 2021 21:43:02 +0800 Message-ID: <20210705134302.315813-1-liwei391@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.175.103.91] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggeme754-chm.china.huawei.com (10.3.19.100) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org When it fail to create crtc_event kthread, it just jump to err_msm_uninit, while the 'ret' is not updated. So assign the return code before that. Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support") Reported-by: Hulk Robot Signed-off-by: Wei Li Reviewed-by: Abhinav Kumar --- drivers/gpu/drm/msm/msm_drv.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index fe7d17cd35ec..787522f92e63 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -524,6 +524,7 @@ static int msm_drm_init(struct device *dev, const struct drm_driver *drv) "crtc_event:%d", priv->event_thread[i].crtc_id); if (IS_ERR(priv->event_thread[i].worker)) { DRM_DEV_ERROR(dev, "failed to create crtc_event kthread\n"); + ret = PTR_ERR(priv->event_thread[i].worker); goto err_msm_uninit; }