From patchwork Mon Sep 6 09:23:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12476725 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,UNPARSEABLE_RELAY,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 B09B6C433F5 for ; Mon, 6 Sep 2021 09:23:49 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7517260F3A for ; Mon, 6 Sep 2021 09:23:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7517260F3A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7463989B0C; Mon, 6 Sep 2021 09:23:48 +0000 (UTC) Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 45E0C89B0C for ; Mon, 6 Sep 2021 09:23:47 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R841e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04394; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=11; SR=0; TI=SMTPD_---0UnOy4Ha_1630920219; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UnOy4Ha_1630920219) by smtp.aliyun-inc.com(127.0.0.1); Mon, 06 Sep 2021 17:23:43 +0800 From: Jiapeng Chong To: harry.wentland@amd.com Cc: sunpeng.li@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, chongjiapeng Subject: [PATCH] drm/amd/display: Fix warning comparing pointer to 0 Date: Mon, 6 Sep 2021 17:23:28 +0800 Message-Id: <1630920208-37789-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: chongjiapeng Fix the following coccicheck warning: ./drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c:643:35-36: WARNING comparing pointer to 0. Reported-by: Abaci Robot Signed-off-by: chongjiapeng --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c index 4a4894e..15491e3 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn31/dcn31_clk_mgr.c @@ -640,7 +640,7 @@ void dcn31_clk_mgr_construct( sizeof(struct dcn31_watermarks), &clk_mgr->smu_wm_set.mc_address.quad_part); - if (clk_mgr->smu_wm_set.wm_set == 0) { + if (!clk_mgr->smu_wm_set.wm_set) { clk_mgr->smu_wm_set.wm_set = &dummy_wms; clk_mgr->smu_wm_set.mc_address.quad_part = 0; }