diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 79c3873d58ac..21725a91442b 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -471,7 +471,7 @@ struct pin_cookie { };
 
 #define NIL_COOKIE (struct pin_cookie){ }
 
-#define lockdep_pin_lock(l)			({ struct pin_cookie cookie; cookie; })
+#define lockdep_pin_lock(l)			({ struct pin_cookie cookie = { }; cookie; })
 #define lockdep_repin_lock(l, c)		do { (void)(l); (void)(c); } while (0)
 #define lockdep_unpin_lock(l, c)		do { (void)(l); (void)(c); } while (0)