diff options
Diffstat (limited to 'drivers/md/dm-raid.c')
| -rw-r--r-- | drivers/md/dm-raid.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 764baa9665bb..b82b7095a671 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1007,7 +1007,7 @@ static int validate_raid_redundancy(struct raid_set *rs) !rs->dev[i].rdev.sb_page) rebuild_cnt++; - switch (rs->raid_type->level) { + switch (rs->md.level) { case 0: break; case 1: @@ -1022,6 +1022,11 @@ static int validate_raid_redundancy(struct raid_set *rs) break; case 10: copies = raid10_md_layout_to_copies(rs->md.new_layout); + if (copies < 2) { + DMERR("Bogus raid10 data copies < 2!"); + return -EINVAL; + } + if (rebuild_cnt < copies) break; |