From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.fusionio.com ([66.114.96.30]:46258 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757185Ab2JEUtZ (ORCPT ); Fri, 5 Oct 2012 16:49:25 -0400 Received: from mail1.int.fusionio.com (mail1.int.fusionio.com [10.101.1.21]) by mx1.fusionio.com with ESMTP id k2SE9x84IHbukuWH (version=TLSv1 cipher=AES128-SHA bits=128 verify=NO) for ; Fri, 05 Oct 2012 14:49:24 -0600 (MDT) From: Josef Bacik To: Subject: [PATCH] Btrfs: fix page leakage Date: Fri, 5 Oct 2012 16:55:00 -0400 Message-ID: <1349470500-7328-1-git-send-email-jbacik@fusionio.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-btrfs-owner@vger.kernel.org List-ID: Alloc_dummy_extent_buffer will not free the first page in the eb array if we fail to allocate a page, fix this. Thanks, Reported-by: David Sterba Signed-off-by: Josef Bacik --- fs/btrfs/extent_io.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 7dc69b3..64dc93f 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4104,7 +4104,7 @@ struct extent_buffer *alloc_dummy_extent_buffer(u64 start, unsigned long len) return eb; err: - for (i--; i > 0; i--) + for (i--; i >= 0; i--) __free_page(eb->pages[i]); __free_extent_buffer(eb); return NULL; -- 1.7.7.6