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dm rq: add a missing break to map_request

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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>
This commit is contained in:
Christoph Hellwig 2017-05-15 17:28:36 +02:00 committed by Mike Snitzer
parent 0377a07c7a
commit ece0728037
1 changed files with 1 additions and 0 deletions
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drivers/md/dm-rq.c
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@ -507,6 +507,7 @@ static int map_request(struct dm_rq_target_io *tio)
case DM_MAPIO_KILL: case DM_MAPIO_KILL:
/* The target wants to complete the I/O */ /* The target wants to complete the I/O */
dm_kill_unmapped_request(rq, -EIO); dm_kill_unmapped_request(rq, -EIO);
break;
default: default:
DMWARN("unimplemented target map return value: %d", r); DMWARN("unimplemented target map return value: %d", r);
BUG(); BUG();