From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f193.google.com ([209.85.192.193]:36659 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755744AbcA2Nge (ORCPT ); Fri, 29 Jan 2016 08:36:34 -0500 Received: by mail-pf0-f193.google.com with SMTP id n128so3788489pfn.3 for ; Fri, 29 Jan 2016 05:36:34 -0800 (PST) To: Chris Mason , linux-btrfs@vger.kernel.org From: Kinglong Mee Subject: [PATCH 2/3] btrfs: fix compile warning of uninitialized value Cc: miaoxie@huawei.com, kinglongmee@gmail.com Message-ID: <56AB6AD5.2010403@gmail.com> Date: Fri, 29 Jan 2016 21:36:21 +0800 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: CC [M] fs/btrfs/extent-tree.o fs/btrfs/extent-tree.c: In function 'find_free_extent': fs/btrfs/extent-tree.c:7021:34: warning: 'used_bg' may be used uninitialized in this function [-Wmaybe-uninitialized] struct btrfs_block_group_cache *used_bg; ^ Fixes: e570fd27f2 ("Btrfs: fix broken free space cache after the system crashed") Signed-off-by: Kinglong Mee --- fs/btrfs/extent-tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e2287c7..f24e4c3 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -7018,7 +7018,7 @@ btrfs_lock_cluster(struct btrfs_block_group_cache *block_group, struct btrfs_free_cluster *cluster, int delalloc) { - struct btrfs_block_group_cache *used_bg; + struct btrfs_block_group_cache *used_bg = NULL; bool locked = false; again: spin_lock(&cluster->refill_lock); -- 2.5.0