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);
         }