From patchwork Thu Dec 16 07:50:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12680127 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 4C6B5C433F5 for ; Thu, 16 Dec 2021 07:50:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 2FD7510EB56; Thu, 16 Dec 2021 07:50:32 +0000 (UTC) Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id F0BA410EB56; Thu, 16 Dec 2021 07:50:29 +0000 (UTC) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R591e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04395; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=13; SR=0; TI=SMTPD_---0V-nblZn_1639641018; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0V-nblZn_1639641018) by smtp.aliyun-inc.com(127.0.0.1); Thu, 16 Dec 2021 15:50:25 +0800 From: Jiapeng Chong To: harry.wentland@amd.com Subject: [PATCH] drm/amd/display: Fix warning comparing pointer to 0 Date: Thu, 16 Dec 2021 15:50:17 +0800 Message-Id: <20211216075017.73996-1-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c MIME-Version: 1.0 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: Jiapeng Chong , sunpeng.li@amd.com, Abaci Robot , Xinhui.Pan@amd.com, Rodrigo.Siqueira@amd.com, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, airlied@linux.ie, dri-devel@lists.freedesktop.org, alexander.deucher@amd.com, christian.koenig@amd.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix the following coccicheck warning: ./drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c:744:35-36: WARNING comparing pointer to 0. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c index 8f78e62b28b7..48005def1164 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c @@ -741,7 +741,7 @@ void vg_clk_mgr_construct( sizeof(struct 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; }