Re: [RFC PATCH net-next v3 04/20] net: dsa: qca8k: handle qca8k_set_page errors

quoted

@@ -161,14 +169,19 @@ static void
 qca8k_write(struct qca8k_priv *priv, u32 reg, u32 val)
 {
 	u16 r1, r2, page;
+	int ret;
 
 	qca8k_split_addr(reg, &r1, &r2, &page);
 
 	mutex_lock_nested(&priv->bus->mdio_lock, MDIO_MUTEX_NESTED);
 
-	qca8k_set_page(priv->bus, page);
+	ret = qca8k_set_page(priv->bus, page);
+	if (ret < 0)
+		goto exit;
+
 	qca8k_mii_write32(priv->bus, 0x10 | r2, r1, val);
 
+exit:
 	mutex_unlock(&priv->bus->mdio_lock);

Maybe make this function also return the error? 

Ah, sorry, a later patch does exactly that.

    Andrew