--- x/drivers/android/binder_alloc.c
+++ y/drivers/android/binder_alloc.c
@@ -1245,10 +1245,12 @@ void binder_alloc_init(struct binder_all
 	INIT_LIST_HEAD(&alloc->buffers);
 }
 
+static struct lock_class_key key;
 int binder_alloc_shrinker_init(void)
 {
 	int ret;
 
+	binder_freelist.key = &key;
 	ret = list_lru_init(&binder_freelist);
 	if (ret)
 		return ret;
--- x/fs/debugfs/file.c
+++ y/fs/debugfs/file.c
@@ -87,9 +87,6 @@ static int __debugfs_file_get(struct den
 	if (!((unsigned long)d_fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)) {
 		fsd = d_fsd;
 	} else {
-		if (WARN_ON(mode == DBGFS_GET_ALREADY))
-			return -EINVAL;
-
 		fsd = kmalloc(sizeof(*fsd), GFP_KERNEL);
 		if (!fsd)
 			return -ENOMEM;