btrfs: Fix superblock csum type check.

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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>

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Qu Wenruo 2015-05-05 10:53:15 +08:00 • committed by Chris Mason

parent 619d8c4ef7

commit 1f6e4b3f9f

1 changed files with 1 additions and 1 deletions

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fs/btrfs/ctree.h

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