Message ID | 200909231431.n8NEVAcS024650@hydrogen.msp.redhat.com (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Alasdair Kergon |
Headers | show |
Index: linux-2.6/drivers/md/dm-snap.c =================================================================== --- linux-2.6.orig/drivers/md/dm-snap.c +++ linux-2.6/drivers/md/dm-snap.c @@ -668,6 +668,11 @@ static int snapshot_ctr(struct dm_target bio_list_init(&s->queued_bios); INIT_WORK(&s->queued_bios_work, flush_queued_bios); + if (!s->store->chunk_size) { + ti->error = "Chunk size not set"; + goto bad_load_and_register; + } + /* Add snapshot to the list of snapshots for this origin */ /* Exceptions aren't triggered till snapshot_resume() is called */ if (register_snapshot(s)) {