Message ID | 1467825897-26058-6-git-send-email-heinzm@redhat.com (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Mike Snitzer |
Headers | show |
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index a382985..b1dbf28 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -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; }