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mlx4_en: nullify cached multicast address list after cleanup
Solves an issue where we tried to free the same page twice after the port has been opened and closed. Signed-off-by: Alexander Guller <alexg@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -151,6 +151,7 @@ static void mlx4_en_clear_list(struct net_device *dev)
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struct mlx4_en_priv *priv = netdev_priv(dev);
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kfree(priv->mc_addrs);
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priv->mc_addrs = NULL;
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priv->mc_addrs_cnt = 0;
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}
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@ -170,6 +171,7 @@ static void mlx4_en_cache_mclist(struct net_device *dev)
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i = 0;
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netdev_for_each_mc_addr(ha, dev)
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memcpy(mc_addrs + i++ * ETH_ALEN, ha->addr, ETH_ALEN);
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mlx4_en_clear_list(dev);
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priv->mc_addrs = mc_addrs;
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priv->mc_addrs_cnt = mc_addrs_cnt;
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}
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