diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index c016df586992..2811e1f1e2fa 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -148,6 +148,7 @@ static int i2sbus_get_and_fixup_rsrc(struct device_node *np, int index,
 	return rc;
 }
 
+/* Returns 1 if added, 0 for otherwise; don't return a negative value! */
 /* FIXME: look at device node refcounting */
 static int i2sbus_add_dev(struct macio_dev *macio,
 			  struct i2sbus_control *control,
@@ -213,7 +214,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	 * either as the second one in that case is just a modem. */
 	if (!ok) {
 		kfree(dev);
-		return -ENODEV;
+		return 0;
 	}
 
 	mutex_init(&dev->lock);