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(parent: c778bbb) | 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)
commit37114659ce9b3d6e5fdc85372c79581f2c692d8d
treefa34f3f76af7b12888fc285cb044fa495d242432tree | snapshot
parentc778bbb977438c4c4e4d9fbd3f76431faed93429commit | 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 | history
Linux Kernel Source Tree.