From patchwork Mon May 4 17:57:15 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: 226429 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=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 D47F7C47257 for ; Mon, 4 May 2020 18:01:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFB70206B8 for ; Mon, 4 May 2020 18:01:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615289; bh=wRkYzBLk0vUVQRuUS+lFzvR6kc1EqVlOI6UkZWW2SN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Jqfkc1vDQbZ9hZi7+M9miENhDf2Vd9MOOlMB8GAI7c+ngD2imR8a4aemgTxDRtYTo TFfdk5oj8yYrH89Qh94yeIg3euc8RjNXAanSr1npGK6s5oBOulUrG6m4e2gy+W2eaH L93bD+pyX3l9bcy1GbBbF75xeQUM0VnNl7HP0fGo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731166AbgEDSB2 (ORCPT ); Mon, 4 May 2020 14:01:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:56996 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730598AbgEDSB1 (ORCPT ); Mon, 4 May 2020 14:01:27 -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 D94C2206B8; Mon, 4 May 2020 18:01:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588615287; bh=wRkYzBLk0vUVQRuUS+lFzvR6kc1EqVlOI6UkZWW2SN8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r9X9oLClbxWJnpc7KCXD94QW3yUNsc77tF2Ms/d67JDeXJ37lfLK5+GUXI1K5I5TH isftEl2FO2K9MH8rize9PZu3ACVhyPMIfVQztOoMgwnpFuCmmscf/nDLEnFVmVO2Zi O9q6Njc6Bx8VnX6S8N6BwXXYqODnUtzjsZp7LcxE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vasily Averin , Gerd Hoffmann Subject: [PATCH 4.19 02/37] drm/qxl: qxl_release leak in qxl_draw_dirty_fb() Date: Mon, 4 May 2020 19:57:15 +0200 Message-Id: <20200504165448.660485899@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200504165448.264746645@linuxfoundation.org> References: <20200504165448.264746645@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 85e9b88af1e6164f19ec71381efd5e2bcfc17620 upstream. ret should be changed to release allocated struct qxl_release 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/22cfd55f-07c8-95d0-a2f7-191b7153c3d4@virtuozzo.com Signed-off-by: Gerd Hoffmann Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/qxl/qxl_draw.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/qxl/qxl_draw.c +++ b/drivers/gpu/drm/qxl/qxl_draw.c @@ -348,9 +348,10 @@ void qxl_draw_dirty_fb(struct qxl_device goto out_release_backoff; rects = drawable_set_clipping(qdev, num_clips, clips_bo); - if (!rects) + if (!rects) { + ret = -EINVAL; goto out_release_backoff; - + } drawable = (struct qxl_drawable *)qxl_release_map(qdev, release); drawable->clip.type = SPICE_CLIP_TYPE_RECTS;