Btrfs: check the return value of io_ctl_init()
authorLi Zefan <lizf@cn.fujitsu.com>
Mon, 9 Jan 2012 06:36:28 +0000 (14:36 +0800)
committerLi Zefan <lizf@cn.fujitsu.com>
Wed, 11 Jan 2012 02:26:36 +0000 (10:26 +0800)
commit706efc6630c2722602541a6a2fc5900a4e38456a
treebba227c9b49146e6c1bb6b529224088dbb9b8811
parenta1ee5a45818acc7f9c13e560827cf3e8735ac919
Btrfs: check the return value of io_ctl_init()

It can return -ENOMEM.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
fs/btrfs/free-space-cache.c