diff --git a/mm/slab.c b/mm/slab.c
index 7dfa481..4e61449 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3109,7 +3109,8 @@
 	 * per-CPU caches is leaked, we need to make sure kmemleak doesn't
 	 * treat the array pointers as a reference to the object.
 	 */
-	kmemleak_erase(&ac->entry[ac->avail]);
+	if (objp)
+		kmemleak_erase(&ac->entry[ac->avail]);
 	return objp;
 }