1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/md/dm-cache-background-tracker.c b/drivers/md/dm-cache-background-tracker.c
index 9b1afdfb13f0..707233891291 100644
--- a/drivers/md/dm-cache-background-tracker.c
+++ b/drivers/md/dm-cache-background-tracker.c
@@ -33,6 +33,11 @@ struct background_tracker *btracker_create(unsigned max_work)
 {
         struct background_tracker *b = kmalloc(sizeof(*b), GFP_KERNEL);
 
+        if (!b) {
+                DMERR("couldn't create background_tracker");
+                return NULL;
+        }
+
         b->max_work = max_work;
         atomic_set(&b->pending_promotes, 0);
         atomic_set(&b->pending_writebacks, 0);