diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c
index 25badd1aec5c677215f20d9bd970261deab2dd35..f4a08d7fa2f70a58a8513110988cc4928a674bdb 100644
--- a/fs/cachefiles/namei.c
+++ b/fs/cachefiles/namei.c
@@ -56,7 +56,7 @@ void __cachefiles_printk_object(struct cachefiles_object *object,
 		       object->fscache.cookie->parent,
 		       object->fscache.cookie->netfs_data,
 		       object->fscache.cookie->flags);
-		if (keybuf)
+		if (keybuf && cookie->def)
 			keylen = cookie->def->get_key(cookie->netfs_data, keybuf,
 						      CACHEFILES_KEYBUF_SIZE);
 		else