From patchwork Mon Jul 1 07:04:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 13717603 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 3223EC2BD09 for ; Mon, 1 Jul 2024 07:05:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F324910E332; Mon, 1 Jul 2024 07:05:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="BAbqoD+p"; dkim-atps=neutral Received: from out30-101.freemail.mail.aliyun.com (out30-101.freemail.mail.aliyun.com [115.124.30.101]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7FE7D10E332; Mon, 1 Jul 2024 07:05:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719817507; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=+3F2YI0rv/tNSFI3epy5cyCJC8K4OCSe+UT1lTp7dqg=; b=BAbqoD+pxp9KjWKbrbzUsWQqdP2zLgG05TPCG8Y3P0syUKE9+GKdjmAZDhZXtzS4sVcuS4xsDK8gJut2flI/DiMJHWS4E0ornu1d/bGPqGgXU12yxTQGHE5Z1cPaHtilR+eybb5yPvCwI5cTLomftsBc3Dvl2kItEaMDCJFZDhw= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R451e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067113; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=13; SR=0; TI=SMTPD_---0W9b27tZ_1719817504; Received: from localhost(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0W9b27tZ_1719817504) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 15:05:06 +0800 From: Jiapeng Chong To: harry.wentland@amd.com Cc: sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jiapeng Chong , Abaci Robot Subject: [PATCH 3/4] drm/amd/display: Fix warning comparing pointer to 0 Date: Mon, 1 Jul 2024 15:04:52 +0800 Message-Id: <20240701070454.106083-2-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 2.20.1.7.g153144c In-Reply-To: <20240701070454.106083-1-jiapeng.chong@linux.alibaba.com> References: <20240701070454.106083-1-jiapeng.chong@linux.alibaba.com> 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Avoid pointer type value compared with 0 to make code clear. ./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c:24:12-13: WARNING comparing pointer to 0. Reported-by: Abaci Robot Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9458 Signed-off-by: Jiapeng Chong --- .../amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c index 657ec2e1b119..2c983daf2dad 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c @@ -21,7 +21,7 @@ bool dml2_dpmm_create(enum dml2_project_id project_id, struct dml2_dpmm_instance { bool result = false; - if (out == 0) + if (!out) return false; memset(out, 0, sizeof(struct dml2_dpmm_instance));