From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:33362 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032471AbdADUtN (ORCPT ); Wed, 4 Jan 2017 15:49:13 -0500 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Liu Bo , David Sterba Subject: [PATCH 4.4 25/60] Btrfs: fix memory leak in do_walk_down Date: Wed, 4 Jan 2017 21:47:10 +0100 Message-Id: <20170104200706.884477915@linuxfoundation.org> In-Reply-To: <20170104200705.627445996@linuxfoundation.org> References: <20170104200705.627445996@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Liu Bo commit a958eab0ed7fdc1b977bc25d3af6efedaa945488 upstream. The extent buffer 'next' needs to be free'd conditionally. Signed-off-by: Liu Bo Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/extent-tree.c | 1 + 1 file changed, 1 insertion(+) --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -8488,6 +8488,7 @@ static noinline int do_walk_down(struct &wc->flags[level - 1]); if (ret < 0) { btrfs_tree_unlock(next); + free_extent_buffer(next); return ret; }