diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f4ffd1eb8f44..e602ae0d5d75 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1089,8 +1089,18 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, __bio_clone_fast(clone, bio); - if (bio_integrity(bio)) { - int r = bio_integrity_clone(clone, bio, GFP_NOIO); + if (unlikely(bio_integrity(bio) != NULL)) { + int r; + + if (unlikely(!dm_target_has_integrity(tio->ti->type) && + !dm_target_passes_integrity(tio->ti->type))) { + DMWARN("%s: the target %s doesn't support integrity data.", + dm_device_name(tio->io->md), + tio->ti->type->name); + return -EIO; + } + + r = bio_integrity_clone(clone, bio, GFP_NOIO); if (r < 0) return r; } @@ -1098,7 +1108,7 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, bio_advance(clone, to_bytes(sector - clone->bi_iter.bi_sector)); clone->bi_iter.bi_size = to_bytes(len); - if (bio_integrity(bio)) + if (unlikely(bio_integrity(bio) != NULL)) bio_integrity_trim(clone, 0, len); return 0; |