net: mtk_eth: simplify the mediatek code return expression

Simplify the return expression at mtk_eth_path.c file, simplify this all.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201211083801.1632-1-zhengyongjun3@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/mediatek/mtk_eth_path.c b/drivers/net/ethernet/mediatek/mtk_eth_path.c
index 6bc9f24873840c142875368ef83264d2b6eb11cd..72648535a14dc34e81adc1fcbb3fa6e42f142894 100644 (file)
--- a/drivers/net/ethernet/mediatek/mtk_eth_path.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_path.c
@@ -252,7 +252,7 @@ int mtk_gmac_sgmii_path_setup(struct mtk_eth *eth, int mac_id)
 
 int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id)
 {
-       int err, path = 0;
+       int path = 0;
 
        if (mac_id == 1)
                path = MTK_ETH_PATH_GMAC2_GEPHY;
@@ -261,25 +261,17 @@ int mtk_gmac_gephy_path_setup(struct mtk_eth *eth, int mac_id)
                return -EINVAL;
 
        /* Setup proper MUXes along the path */
-       err = mtk_eth_mux_setup(eth, path);
-       if (err)
-               return err;
-
-       return 0;
+       return mtk_eth_mux_setup(eth, path);
 }
 
 int mtk_gmac_rgmii_path_setup(struct mtk_eth *eth, int mac_id)
 {
-       int err, path;
+       int path;
 
        path = (mac_id == 0) ?  MTK_ETH_PATH_GMAC1_RGMII :
                                MTK_ETH_PATH_GMAC2_RGMII;
 
        /* Setup proper MUXes along the path */
-       err = mtk_eth_mux_setup(eth, path);
-       if (err)
-               return err;
-
-       return 0;
+       return mtk_eth_mux_setup(eth, path);
 }