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linux/fs/ext4/super.c
Theodore Ts'o 6cc435bb47 ext4: fix fencepost in s_first_meta_bg validation 
commit 2ba3e6e8af upstream.

It is OK for s_first_meta_bg to be equal to the number of block group
descriptor blocks.  (It rarely happens, but it shouldn't cause any
problems.)

https://bugzilla.kernel.org/show_bug.cgi?id=194567

Fixes: 3a4b77cd47
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2017-06-05 21:17:08 +01:00

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