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Qu Wenruo authored
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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