From patchwork Fri Dec 15 10:53:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 10114765 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4FB486019C for ; Fri, 15 Dec 2017 10:53:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DB1029F11 for ; Fri, 15 Dec 2017 10:53:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 315DC29F17; Fri, 15 Dec 2017 10:53:50 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 5C7F129F11 for ; Fri, 15 Dec 2017 10:53:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id ECCB86E089; Fri, 15 Dec 2017 10:53:47 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) by gabe.freedesktop.org (Postfix) with ESMTPS id 790B56E089; Fri, 15 Dec 2017 10:53:46 +0000 (UTC) Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1ePnce-0008Dt-2H; Fri, 15 Dec 2017 10:53:44 +0000 From: Colin King To: =?UTF-8?q?Christian=20K=C3=B6nig?= , David Airlie , Harry Wentland , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH] drm/amd/display: remove redundant null check of array 'data' Date: Fri, 15 Dec 2017 10:53:43 +0000 Message-Id: <20171215105343.11372-1-colin.king@canonical.com> X-Mailer: git-send-email 2.14.1 MIME-Version: 1.0 Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 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" X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King The null check on aconnector->base.edid_blob_ptr->data is redundant since data is an array and can never be null. Remove it. Detected by CoverityScan, CID#1460369 ("Array compared against 0") Signed-off-by: Colin Ian King Acked-by: Christian König Reviewed-by: Harry Wentland --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index ccbf10e3bbb6..c388778dbba3 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -2725,8 +2725,7 @@ static void create_eml_sink(struct amdgpu_dm_connector *aconnector) }; struct edid *edid; - if (!aconnector->base.edid_blob_ptr || - !aconnector->base.edid_blob_ptr->data) { + if (!aconnector->base.edid_blob_ptr) { DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n", aconnector->base.name);