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btrfs: Error handle for get_ref_objectid_v0() in relocate_block_group()
authorZhaolei <zhaolei@cn.fujitsu.com>
Wed, 5 Aug 2015 10:00:02 +0000 (18:00 +0800)
committerChris Mason <clm@fb.com>
Sun, 9 Aug 2015 14:07:13 +0000 (07:07 -0700)
commit4b3576e450a1539492e26e2d7b1e2e69578c032e
tree65615cbf03efaa0a1304180d2f1ae00008c23a9atree | snapshot (tar.gz zip)
parent55e3a601c81cdca4497bf855fa4d331f8e830744commit | diff
btrfs: Error handle for get_ref_objectid_v0() in relocate_block_group()

We need error checking code for get_ref_objectid_v0() in
relocate_block_group(), to avoid unpredictable result, especially
for accessing uninitialized value(when function failed) after
this line.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/relocation.c diff | blob | blame | history