diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 441285a..02ae7be 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3072,7 +3072,9 @@
 		pr_debug("Registered DAI '%s'\n", dai->name);
 	}
 
+	mutex_lock(&client_mutex);
 	snd_soc_instantiate_cards();
+	mutex_unlock(&client_mutex);
 	return 0;
 
 err: