From: Sean Wang <sean.wang@mediatek.com>
Date: Thu, 1 Sep 2016 02:47:35 +0000 (+0800)
Subject: net: ethernet: mediatek: fix error handling inside mtk_mdio_init
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aa6e8a54f653daaf34ff7fdceb2d992d714eea7c;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

net: ethernet: mediatek: fix error handling inside mtk_mdio_init

Return -ENODEV if the MDIO bus is disabled in the device tree.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Acked-by: John Crispin <john@phrozen.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 0367f510f81a..d9199151a83e 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -304,7 +304,7 @@ static int mtk_mdio_init(struct mtk_eth *eth)
 	}
 
 	if (!of_device_is_available(mii_np)) {
-		ret = 0;
+		ret = -ENODEV;
 		goto err_put_node;
 	}