From patchwork Mon Jul 17 01:47:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: cuigaosheng X-Patchwork-Id: 13315058 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8E3F8EB64DD for ; Mon, 17 Jul 2023 01:47:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BC4CD10E121; Mon, 17 Jul 2023 01:47:47 +0000 (UTC) Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by gabe.freedesktop.org (Postfix) with ESMTPS id A57AD10E120; Mon, 17 Jul 2023 01:47:45 +0000 (UTC) Received: from kwepemi500012.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4R44dJ1jQ6ztR79; Mon, 17 Jul 2023 09:44:36 +0800 (CST) Received: from cgs.huawei.com (10.244.148.83) by kwepemi500012.china.huawei.com (7.221.188.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 17 Jul 2023 09:47:39 +0800 From: Gaosheng Cui To: , , , , , , , , , , , , , , , Subject: [PATCH v4 0/3] Fix IS_ERR() vs NULL check for drm Date: Mon, 17 Jul 2023 09:47:36 +0800 Message-ID: <20230717014739.2952665-1-cuigaosheng1@huawei.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [10.244.148.83] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500012.china.huawei.com (7.221.188.12) X-CFilter-Loop: Reflected X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" v4: - 1. Update the second patch's commit messages. 2. Update the first patch, use dev_err_probe() instead of dev_err(). Thanks! v3: - Update the second patch: 1. change IS_ERR to IS_ERR_OR_NULL 2. add Dmitry's R-b in this revision: link: https://patchwork.freedesktop.org/patch/511035/?series=110745&rev=1 Thanks! v2: - I'm sorry I missed some emails, these patches were submitted last year, now let me resend it with the following changes: 1. remove the patch: "drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in msm_icc_get()" 2. remove the patch: "drm/vc4: kms: Fix IS_ERR() vs NULL check for vc4_kms" 3. add "Reviewed-by: Abhinav Kumar " to the second patch. Thanks! v1: - This series contains a few fixup patches, to fix IS_ERR() vs NULL check for drm, and avoid a potential null-ptr-defer issue, too. Thanks! Gaosheng Cui (3): drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe() drm/msm: Fix IS_ERR_OR_NULL() vs NULL check in a5xx_submit_in_rb() drm/komeda: Fix IS_ERR() vs NULL check in komeda_component_get_avail_scaler() drivers/gpu/drm/arm/display/komeda/komeda_pipeline_state.c | 2 +- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 2 +- drivers/gpu/drm/panel/panel-novatek-nt35950.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-)