Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422653AbbGaVe2 (ORCPT ); Fri, 31 Jul 2015 17:34:28 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:46427 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754442AbbGaTwn (ORCPT ); Fri, 31 Jul 2015 15:52:43 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Frediano Ziglio , Dave Airlie Subject: [PATCH 4.1 135/267] drm/qxl: Do not leak memory if qxl_release_list_add fails Date: Fri, 31 Jul 2015 12:39:46 -0700 Message-Id: <20150731194006.194996512@linuxfoundation.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <20150731194001.933895871@linuxfoundation.org> References: <20150731194001.933895871@linuxfoundation.org> User-Agent: quilt/0.64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1240 Lines: 42 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frediano Ziglio commit 8451cc964c1d193b989c41a44e5e77109cc696f8 upstream. If the function fails reference counter to the object is not decremented causing leaks. This is hard to spot as it happens only on very low memory situations. Signed-off-by: Frediano Ziglio Reviewed-by: Dave Airlie Signed-off-by: Dave Airlie Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/qxl/qxl_ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -122,8 +122,10 @@ static struct qxl_bo *qxlhw_handle_to_bo qobj = gem_to_qxl_bo(gobj); ret = qxl_release_list_add(release, qobj); - if (ret) + if (ret) { + drm_gem_object_unreference_unlocked(gobj); return NULL; + } return qobj; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/