From mboxrd@z Thu Jan 1 00:00:00 1970 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D5458C433EF for ; Fri, 17 Sep 2021 02:33:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C085D61108 for ; Fri, 17 Sep 2021 02:33:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242905AbhIQCfQ (ORCPT ); Thu, 16 Sep 2021 22:35:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:60824 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242924AbhIQCfN (ORCPT ); Thu, 16 Sep 2021 22:35:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 18C89610C8; Fri, 17 Sep 2021 02:33:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631846032; bh=awLMpc4E9oLBX52XLLgSWSIK62ks08HtPaM9FK5pYVM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D88Y8ATRbMOh8aXYsHXl+6W6Gkf30wzGlywua8B4b6z6C86+pFJFWwFW5ISaqHKEa 6dl9GTXJ3LswpeoypKWxkbyCdgJAhCzUuUwQc2MZzwdTLrSshPAuFMZ4yGXCU9O+km WbPpwju36IiP5RTz3nsIeEiZx/D8N/XxAva4Rg2eytANCEvCyxiQsIDXImDQ09J03a ZwZKn35SxD242++mo605Ix7tCpqiZIEsL56E5dTDSy8RDmrhJ5i1UjoqZVfpOPPETa JbskcgMqLicsxD4Y4nm7SBqp6qfAvyfGEyIHG5Jj5OedZi6HlgCSM1/BGbkk0jKNiy 9tMqGCnwWFvmw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Anson Jacob , Aric Cyr , Mikita Lipski , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, aurabindo.pillai@amd.com, Rodrigo.Siqueira@amd.com, joshua.aberback@amd.com, Bhawanpreet.Lakha@amd.com, bindu.r@amd.com, Dmytro.Laktyushkin@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.14 05/21] drm/amd/display: Fix memory leak reported by coverity Date: Thu, 16 Sep 2021 22:32:59 -0400 Message-Id: <20210917023315.816225-5-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210917023315.816225-1-sashal@kernel.org> References: <20210917023315.816225-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Anson Jacob [ Upstream commit 03388a347fe7cf7c3bdf68b0823ba316d177d470 ] Free memory allocated if any of the previous allocations failed. >>> CID 1487129: Resource leaks (RESOURCE_LEAK) >>> Variable "vpg" going out of scope leaks the storage it points to. Addresses-Coverity-ID: 1487129: ("Resource leaks") Reviewed-by: Aric Cyr Acked-by: Mikita Lipski Signed-off-by: Anson Jacob Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c index dc7823d23ba8..dd38796ba30a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c @@ -510,8 +510,12 @@ static struct stream_encoder *dcn303_stream_encoder_create(enum engine_id eng_id vpg = dcn303_vpg_create(ctx, vpg_inst); afmt = dcn303_afmt_create(ctx, afmt_inst); - if (!enc1 || !vpg || !afmt) + if (!enc1 || !vpg || !afmt) { + kfree(enc1); + kfree(vpg); + kfree(afmt); return NULL; + } dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id, vpg, afmt, &stream_enc_regs[eng_id], &se_shift, &se_mask); -- 2.30.2