Btrfs: check return value of lookup_extent_mapping() correctly
authorTsutomu Itoh <t-itoh@jp.fujitsu.com>
Thu, 16 Feb 2012 07:23:58 +0000 (16:23 +0900)
committerDavid Sterba <dsterba@suse.cz>
Thu, 16 Feb 2012 16:23:17 +0000 (17:23 +0100)
commit285190d99fef696ec8b0041787387f013cb71d67
treed55c5e3f71718cb21f9349280fb160d0403d082d
parent600a45e1d5e376f679ff9ecc4ce9452710a6d27c
Btrfs: check return value of lookup_extent_mapping() correctly

This patch corrects error checking of lookup_extent_mapping().

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