From patchwork Mon May 4 17:57:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 226385 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 DE9F3C47257 for ; Mon, 4 May 2020 18:09:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5B8C20721 for ; Mon, 4 May 2020 18:09:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615769; bh=sJvUXY4jKJ59y85O7d56ajWyoMqv8hzihExsn6RTZ+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Doqh1h2SN5nNzvSdP/o6q0OaK7qK10ewE5aSIgo8O/xnyD6lZ+o8IGmT6NeYvuUY+ r3Yz/YyhH8Kz3yyIpymoalMMhOJbPSwUqp4J+k/QVSMPVkcKBXpufXJ/6rywCJtt7n nrjWr0B0v3OH3mV4nwxUvLe9BDeqHopya4Yo8uio= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731985AbgEDSGe (ORCPT ); Mon, 4 May 2020 14:06:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:36916 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731983AbgEDSG3 (ORCPT ); Mon, 4 May 2020 14:06:29 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1897A206B8; Mon, 4 May 2020 18:06:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615589; bh=sJvUXY4jKJ59y85O7d56ajWyoMqv8hzihExsn6RTZ+8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2P0kurVk1WDyCT6UTgymcgZ2CMYym92mYCSbAkXFXQvhNBY7duacZPE+NRJMl/vJ1 1E0uUbuhtInTJ72pMPRIMjdIGi7RANQUgGFkX8UKRRRj/1Tvft0LRp/NhaFtiF4axt uyy0nOCAzsMwmMKMPvEktX0SAg9DvLHCK/9JY0+M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vasily Averin , Gerd Hoffmann Subject: [PATCH 5.6 09/73] drm/qxl: qxl_release leak in qxl_hw_surface_alloc() Date: Mon, 4 May 2020 19:57:12 +0200 Message-Id: <20200504165503.581526098@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200504165501.781878940@linuxfoundation.org> References: <20200504165501.781878940@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Vasily Averin commit a65aa9c3676ffccb21361d52fcfedd5b5ff387d7 upstream. Cc: stable@vger.kernel.org Fixes: 8002db6336dd ("qxl: convert qxl driver to proper use for reservations") Signed-off-by: Vasily Averin Link: http://patchwork.freedesktop.org/patch/msgid/2e5a13ae-9ab2-5401-aa4d-03d5f5593423@virtuozzo.com Signed-off-by: Gerd Hoffmann Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/qxl/qxl_cmd.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -480,9 +480,10 @@ int qxl_hw_surface_alloc(struct qxl_devi return ret; ret = qxl_release_reserve_list(release, true); - if (ret) + if (ret) { + qxl_release_free(qdev, release); return ret; - + } cmd = (struct qxl_surface_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_SURFACE_CMD_CREATE; cmd->flags = QXL_SURF_FLAG_KEEP_DATA;