Btrfs: checking for NULL instead of IS_ERR
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 30 Jul 2012 08:15:43 +0000 (02:15 -0600)
committerChris Mason <chris.mason@oracle.com>
Tue, 28 Aug 2012 20:53:25 +0000 (16:53 -0400)
add_qgroup_rb() never returns NULL, only error pointers.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
fs/btrfs/qgroup.c

Simple merge