dm rq: add a missing break to map_request

We don't want to bug when receiving a DM_MAPIO_KILL value..

Fixes: 412445ac ("dm: introduce a new DM_MAPIO_KILL return value")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index 2af2702..b639fa7 100644 (file)
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -507,6 +507,7 @@ static int map_request(struct dm_rq_target_io *tio)
        case DM_MAPIO_KILL:
                /* The target wants to complete the I/O */
                dm_kill_unmapped_request(rq, -EIO);
+               break;
        default:
                DMWARN("unimplemented target map return value: %d", r);
                BUG();