Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753737AbbFCLYL (ORCPT ); Wed, 3 Jun 2015 07:24:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45199 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753908AbbFCLJt (ORCPT ); Wed, 3 Jun 2015 07:09:49 -0400 From: Frediano Ziglio To: fziglio@redhat.com, spice-devel@lists.freedesktop.org, airlied@linux.ie, dri-devel@lists.freedesktop.org, airlied@redhat.com Cc: linux-kernel@vger.kernel.org Subject: [PATCH 02/11] drm/qxl: Do not leak memory if qxl_release_list_add fails Date: Wed, 3 Jun 2015 12:09:10 +0100 Message-Id: <1433329759-10082-3-git-send-email-fziglio@redhat.com> In-Reply-To: <1433329759-10082-1-git-send-email-fziglio@redhat.com> References: <1433329759-10082-1-git-send-email-fziglio@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1068 Lines: 34 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 --- drivers/gpu/drm/qxl/qxl_ioctl.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index afd7297..e8b5207 100644 --- 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(struct qxl_device *qdev, 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; } -- 2.1.0 -- 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/