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Commit 0e03567a authored by Alexander Guller's avatar Alexander Guller Committed by David S. Miller
Browse files

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: default avatarAlexander Guller <alexg@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d0fc7b6

drivers/net/ethernet/mellanox/mlx4/en_netdev.c

+2 −0
Original line number Diff line number Diff line
@@ -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;

}