From patchwork Thu Apr 23 14:17:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 11505777 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DA3C41392 for ; Thu, 23 Apr 2020 14:18:19 +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 C24ED2087E for ; Thu, 23 Apr 2020 14:18:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C24ED2087E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=canonical.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 150346E823; Thu, 23 Apr 2020 14:18:17 +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 2D6866E823; Thu, 23 Apr 2020 14:18:15 +0000 (UTC) Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jRcfQ-0000aY-CT; Thu, 23 Apr 2020 14:17:28 +0000 From: Colin King To: Harry Wentland , Leo Li , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , David Zhou , David Airlie , Daniel Vetter , Wenjing Liu , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH][next] drm/amd/display: remove redundant assignment to variable ret Date: Thu, 23 Apr 2020 15:17:28 +0100 Message-Id: <20200423141728.19949-1-colin.king@canonical.com> X-Mailer: git-send-email 2.25.1 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: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Colin Ian King The variable ret is being initialized with a value that is never read and it is being updated later with a new value. The initialization is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King --- drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index d5b306384d79..9ef9e50a34fa 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -4231,7 +4231,7 @@ void dpcd_set_source_specific_data(struct dc_link *link) { const uint32_t post_oui_delay = 30; // 30ms uint8_t dspc = 0; - enum dc_status ret = DC_ERROR_UNEXPECTED; + enum dc_status ret; ret = core_link_read_dpcd(link, DP_DOWN_STREAM_PORT_COUNT, &dspc, sizeof(dspc));