diff --git a/sound/hda/ext/hdac_ext_bus.c b/sound/hda/ext/hdac_ext_bus.c
index 8544e4fb1cd3be3cf231ddf998ce38b686a25034..4449d1a990893db4078a102b9da0f92835d5add3 100644
--- a/sound/hda/ext/hdac_ext_bus.c
+++ b/sound/hda/ext/hdac_ext_bus.c
@@ -139,7 +139,7 @@ int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *ebus, int addr)
 	char name[15];
 	int ret;
 
-	edev = kzalloc(sizeof(*hdev), GFP_KERNEL);
+	edev = kzalloc(sizeof(*edev), GFP_KERNEL);
 	if (!edev)
 		return -ENOMEM;
 	hdev = &edev->hdac;