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@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1235,7 +1235,6 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
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struct mlx4_en_priv *priv = netdev_priv(dev);
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u32 n = mlx4_en_get_rxfh_indir_size(dev);
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u32 i, rss_rings;
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int err = 0;
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rss_rings = priv->prof->rss_rings ?: n;
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rss_rings = rounddown_pow_of_two(rss_rings);
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@ -1249,7 +1248,7 @@ static int mlx4_en_get_rxfh(struct net_device *dev, u32 *ring_index, u8 *key,
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memcpy(key, priv->rss_key, MLX4_EN_RSS_KEY_SIZE);
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if (hfunc)
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*hfunc = priv->rss_hash_fn;
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return err;
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return 0;
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}
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static int mlx4_en_set_rxfh(struct net_device *dev, const u32 *ring_index,
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