linux-kernel - [PATCH] liquidio: fix duplicated code for different branches

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Message-ID: <20170813013855.GA6686@embeddedgus>
Date:   Sat, 12 Aug 2017 20:38:55 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Derek Chickles <derek.chickles@...iumnetworks.com>,
        Satanand Burla <satananda.burla@...iumnetworks.com>,
        Felix Manlunas <felix.manlunas@...iumnetworks.com>,
        Raghu Vatsavayi <raghu.vatsavayi@...iumnetworks.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH] liquidio: fix duplicated code for different branches

Refactor code in order to avoid identical code for different branches.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
This code was tested by compilation only.

 drivers/net/ethernet/cavium/liquidio/lio_ethtool.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
index b78e296..4f65c08 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_ethtool.c
@@ -578,23 +578,18 @@ static int lio_set_phys_id(struct net_device *netdev,
 		break;
 
 	case ETHTOOL_ID_ON:
-		if (oct->chip_id == OCTEON_CN66XX) {
+		if (oct->chip_id == OCTEON_CN66XX)
 			octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 					   VITESSE_PHY_GPIO_HIGH);
-
-		} else if (oct->chip_id == OCTEON_CN68XX) {
-			return -EINVAL;
-		} else {
+		else
 			return -EINVAL;
-		}
+
 		break;
 
 	case ETHTOOL_ID_OFF:
 		if (oct->chip_id == OCTEON_CN66XX)
 			octnet_gpio_access(netdev, VITESSE_PHY_GPIO_CFG,
 					   VITESSE_PHY_GPIO_LOW);
-		else if (oct->chip_id == OCTEON_CN68XX)
-			return -EINVAL;
 		else
 			return -EINVAL;
 
-- 
2.5.0