diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 52c0c1a3899cd1d09bd4d5d9685405be04deaab5..6a74f62a00337b6093ab1f43d8d441c0605b02c9 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -649,7 +649,8 @@ static void free_device(struct nandsim *ns)
 				kmem_cache_free(ns->nand_pages_slab,
 						ns->pages[i].byte);
 		}
-		kmem_cache_destroy(ns->nand_pages_slab);
+		if (ns->nand_pages_slab)
+			kmem_cache_destroy(ns->nand_pages_slab);
 		vfree(ns->pages);
 	}
 }