From patchwork Mon Feb 13 08:17:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Gerd Hoffmann X-Patchwork-Id: 9568959 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 17C9760573 for ; Mon, 13 Feb 2017 08:18:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 06C7026E49 for ; Mon, 13 Feb 2017 08:18:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EFD6327D5E; Mon, 13 Feb 2017 08:18:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DBEC926E49 for ; Mon, 13 Feb 2017 08:18:17 +0000 (UTC) Received: from localhost ([::1]:55062 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdBpw-0004wO-Td for patchwork-qemu-devel@patchwork.kernel.org; Mon, 13 Feb 2017 03:18:16 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54355) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cdBpR-0004vc-EY for qemu-devel@nongnu.org; Mon, 13 Feb 2017 03:17:46 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cdBpN-0004b3-0G for qemu-devel@nongnu.org; Mon, 13 Feb 2017 03:17:44 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36786) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cdBpM-0004ZL-RO for qemu-devel@nongnu.org; Mon, 13 Feb 2017 03:17:40 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 53A6861D06; Mon, 13 Feb 2017 08:17:40 +0000 (UTC) Received: from nilsson.home.kraxel.org (ovpn-116-154.ams2.redhat.com [10.36.116.154]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v1D8Hd1R015930; Mon, 13 Feb 2017 03:17:39 -0500 Received: by nilsson.home.kraxel.org (Postfix, from userid 500) id D230E80DC2; Mon, 13 Feb 2017 09:17:36 +0100 (CET) From: Gerd Hoffmann To: qemu-devel@nongnu.org Date: Mon, 13 Feb 2017 09:17:26 +0100 Message-Id: <1486973851-21645-2-git-send-email-kraxel@redhat.com> In-Reply-To: <1486973851-21645-1-git-send-email-kraxel@redhat.com> References: <1486973851-21645-1-git-send-email-kraxel@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 13 Feb 2017 08:17:40 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 1/6] virtio-gpu: fix memory leak in set scanout X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Li Qiang , Gerd Hoffmann , "Michael S. Tsirkin" Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Li Qiang In virtio_gpu_set_scanout function, when creating the 'rect' its refcount is set to 2, by pixman_image_create_bits and qemu_create_displaysurface_pixman function. This can lead a memory leak issues. This patch avoid this issue. Signed-off-by: Li Qiang Reviewed-by: Marc-André Lureau Message-id: 5884626f.5b2f6b0a.1bfff.3037@mx.google.com Signed-off-by: Gerd Hoffmann --- hw/display/virtio-gpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 444ca06..9b530ab 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -608,6 +608,7 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC; return; } + pixman_image_unref(rect); dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, scanout->ds); }