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-rw-r--r--drivers/md/dm-cache-target.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 1a090de0c4b8..1e96d7889f51 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);
}
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