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Commit 75dd3b9e authored by Heinz Mauelshagen's avatar Heinz Mauelshagen Committed by Mike Snitzer
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dm raid: more restricting data_offset value checks 



Signed-off-by: default avatarHeinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 5fa146b2

drivers/md/dm-raid.c

+2 −1
Original line number Diff line number Diff line
@@ -1221,7 +1221,8 @@ static int parse_raid_params(struct raid_set *rs, struct dm_arg_set *as, 
				return -EINVAL;

			}

			/* Ensure sensible data offset */

			if (value < 0) {

			if (value < 0 ||

			    (value && (value < MIN_FREE_RESHAPE_SPACE || value % to_sector(PAGE_SIZE)))) {

				rs->ti->error = "Bogus data_offset value";

				return -EINVAL;

			}