From: Alexander Guller Date: Mon, 19 Dec 2011 04:02:58 +0000 (+0000) Subject: mlx4_en: nullify cached multicast address list after cleanup X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0e03567a2c2542e142d5ab6c8bcbf6373a241afe;p=linux-beck.git 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 Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 1db6fea495bf..72fa807b69ce 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -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; }