netdev - [PATCH net-next] net: mlx4: remove unneeded variable "err" in mlx4_en_get

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Message-ID: <20200506061630.19010-1-yanaijie@huawei.com>
Date:   Wed, 6 May 2020 14:16:30 +0800
From:   Jason Yan <yanaijie@...wei.com>
To:     <tariqt@...lanox.com>, <davem@...emloft.net>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kuba@...nel.org>, <hawk@...nel.org>,
        <john.fastabend@...il.com>, <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <bpf@...r.kernel.org>
CC:     Jason Yan <yanaijie@...wei.com>
Subject: [PATCH net-next] net: mlx4: remove unneeded variable "err" in mlx4_en_get_rxfh()

Fix the following coccicheck warning:

drivers/net/ethernet/mellanox/mlx4/en_ethtool.c:1238:5-8: Unneeded
variable: "err". Return "0" on line 1252

Signed-off-by: Jason Yan <yanaijie@...wei.com>
---
 drivers/net/ethernet/mellanox/mlx4/en_ethtool.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 8a5ea2543670..216e6b2e9eed 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -1235,7 +1235,6 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
 	struct mlx4_en_priv *priv = netdev_priv(dev);
 	u32 n = mlx4_en_get_rxfh_indir_size(dev);
 	u32 i, rss_rings;
-	int err = 0;
 
 	rss_rings = priv->prof->rss_rings ?: n;
 	rss_rings = rounddown_pow_of_two(rss_rings);
@@ -1249,7 +1248,7 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
 		memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
 	if (hfunc)
 		*hfunc = priv->rss_hash_fn;
-	return err;
+	return 0;
 }
 
 static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
-- 
2.21.1