Btrfs: fix missing check about ulist_add() in qgroup.c

ulist_add() may return -ENOMEM, fix missing check about
return value.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Wang Shilong 2013-04-17 14:00:36 +00:00 • committed by Josef Bacik
commit 3c97185c65