diff options
| -rw-r--r-- | drivers/md/dm-cache-target.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c index 1a090de0c4b..1e96d7889f5 100644 --- a/drivers/md/dm-cache-target.c +++ b/drivers/md/dm-cache-target.c @@ -2690,11 +2690,11 @@ static int __cache_map(struct cache *cache, struct bio *bio, struct dm_bio_priso static int cache_map(struct dm_target *ti, struct bio *bio) { int r; - struct dm_bio_prison_cell *cell; + struct dm_bio_prison_cell *cell = NULL; struct cache *cache = ti->private; r = __cache_map(cache, bio, &cell); - if (r == DM_MAPIO_REMAPPED) { + if (r == DM_MAPIO_REMAPPED && cell) { inc_ds(cache, bio, cell); cell_defer(cache, cell, false); } |