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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham 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 B7EC2C3A59B for ; Mon, 19 Aug 2019 03:34:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 900242082C for ; Mon, 19 Aug 2019 03:34:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726573AbfHSDex (ORCPT ); Sun, 18 Aug 2019 23:34:53 -0400 Received: from mail-yw1-f65.google.com ([209.85.161.65]:41812 "EHLO mail-yw1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726132AbfHSDex (ORCPT ); Sun, 18 Aug 2019 23:34:53 -0400 Received: by mail-yw1-f65.google.com with SMTP id i138so142423ywg.8 for ; Sun, 18 Aug 2019 20:34:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uGOYgJda+j4dqh4YXabhCX5Nh2M2wJdXHWQKsrei+A0=; b=XDWU6n/No2ZFBD+Ri2ovihYVYFSc7EixeYmSd9oDPcHUJWNcMIO5zgjEpO44J9M1ho d0LKFlwZpWbu3LVRIdZK1690QaZl7uvR92w9dC0Gy5ykMhLbwhZDDWUiTuBReuSUa9yc q1+V5buwueEP3515+EyQdNOqE5JmYq7EvDron8Uc+SpTkJzua5QW/UpVhp9CWiPZF+rs mw96UAuvh9QZLClRVoIzYoEZstnilBPahl6knUwGZLPCjOxXvNJtarVAPw0JXsYTLSd/ 7iERARJ6n6p/1P69wutDUK34Qwqk78ZGmZtP1OYr0kl3b3ck2FzNB/8FcqFj966JeUfu 1GTg== X-Gm-Message-State: APjAAAXTvETdDxa3IdpHAh6+XwmbRB/rysOmFlCcaYBwaf7km1nPjAUM Uida6EeeniKXCQ75colKukw= X-Google-Smtp-Source: APXvYqx/Ey+ck+08aUX1naJ+M5Dxnh85vNnbkoHC+QbtC+Md9D2ZDtdB4Divyj/mbjlLXsQOOx/0bg== X-Received: by 2002:a81:9144:: with SMTP id i65mr14960039ywg.361.1566185692434; Sun, 18 Aug 2019 20:34:52 -0700 (PDT) Received: from localhost.localdomain (24-158-240-219.dhcp.smyr.ga.charter.com. [24.158.240.219]) by smtp.gmail.com with ESMTPSA id b66sm537423ywd.110.2019.08.18.20.34.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 18 Aug 2019 20:34:51 -0700 (PDT) From: Wenwen Wang To: Wenwen Wang Cc: Patrik Jakobsson , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2] drm/gma500: fix memory leaks Date: Sun, 18 Aug 2019 22:34:30 -0500 Message-Id: <1566185684-8014-1-git-send-email-wenwen@cs.uga.edu> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In mdfld_dsi_output_init(), if an error occurs, the execution is directed to 'dsi_init_err0' or 'dsi_init_err1'. However, in some cases, some previously allocated buffers and resources are not deallocated, leading to memory/resource leaks. To fix this issue, revise the labels. Signed-off-by: Wenwen Wang --- drivers/gpu/drm/gma500/mdfld_dsi_output.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_output.c b/drivers/gpu/drm/gma500/mdfld_dsi_output.c index 03023fa..0cf4121 100644 --- a/drivers/gpu/drm/gma500/mdfld_dsi_output.c +++ b/drivers/gpu/drm/gma500/mdfld_dsi_output.c @@ -573,13 +573,13 @@ void mdfld_dsi_output_init(struct drm_device *dev, if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) { DRM_ERROR("Package Sender initialization failed on pipe %d\n", pipe); - goto dsi_init_err0; + goto dsi_init_err1; } encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs); if (!encoder) { DRM_ERROR("Create DPI encoder failed\n"); - goto dsi_init_err1; + goto dsi_init_err2; } encoder->private = dsi_config; dsi_config->encoder = encoder; @@ -589,14 +589,13 @@ void mdfld_dsi_output_init(struct drm_device *dev, return; /*TODO: add code to destroy outputs on error*/ -dsi_init_err1: +dsi_init_err2: /*destroy sender*/ mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender); - +dsi_init_err1: drm_connector_cleanup(connector); - +dsi_init_err0: kfree(dsi_config->fixed_mode); kfree(dsi_config); -dsi_init_err0: kfree(dsi_connector); } -- 2.7.4