Btrfs: fix return value check of extent_io_ops
authorTsutomu Itoh <t-itoh@jp.fujitsu.com>
Thu, 16 Feb 2012 01:11:40 +0000 (10:11 +0900)
committerDavid Sterba <dsterba@suse.cz>
Thu, 16 Feb 2012 16:23:16 +0000 (17:23 +0100)
This patch adds the check on the return value of extent_io_ops.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
fs/btrfs/extent_io.c

Simple merge