diff options
| -rw-r--r-- | drivers/md/dm-snap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 53f4063f7ea..9cb392b3e92 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -673,6 +673,11 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv) 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)) { |