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mlx4_en: nullify cached multicast address list after cleanup

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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>
This commit is contained in:
Alexander Guller 2011-12-19 04:02:58 +00:00 committed by David S. Miller
parent 8d0fc7b611
commit 0e03567a2c
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -151,6 +151,7 @@ static void mlx4_en_clear_list(struct net_device *dev)
struct mlx4_en_priv *priv = netdev_priv(dev);
kfree(priv->mc_addrs);
priv->mc_addrs = NULL;
priv->mc_addrs_cnt = 0;
}
@ -170,6 +171,7 @@ static void mlx4_en_cache_mclist(struct net_device *dev)
i = 0;
netdev_for_each_mc_addr(ha, dev)
memcpy(mc_addrs + i++ * ETH_ALEN, ha->addr, ETH_ALEN);
mlx4_en_clear_list(dev);
priv->mc_addrs = mc_addrs;
priv->mc_addrs_cnt = mc_addrs_cnt;
}