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(parent: 619d8c4) | patch
btrfs: Fix superblock csum type check.
authorQu Wenruo <quwenruo@cn.fujitsu.com>
Tue, 5 May 2015 02:53:15 +0000 (10:53 +0800)
committerChris Mason <clm@fb.com>
Wed, 3 Jun 2015 02:34:35 +0000 (19:34 -0700)
commit1f6e4b3f9f7c859fed7ac4c0853e976a1a752873
treefa34f3f76af7b12888fc285cb044fa495d242432tree | snapshot (tar.gz zip)
parent619d8c4ef7c5dd346add55da82c9179cd2e3387ecommit | diff
btrfs: Fix superblock csum type check.

Old csum type check is wrong and can't catch csum_type 1(not supported).

Fix it to avoid hostile 0 division.

Reported-by: Lukas Lueg <lukas.lueg@gmail.com>
Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/ctree.h diff | blob | blame | history