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authorAlexander Guller <alexg@mellanox.com>2011-12-19 04:02:58 +0000
committerDavid S. Miller <davem@davemloft.net>2011-12-19 14:57:07 -0500
commit0e03567a2c2542e142d5ab6c8bcbf6373a241afe (patch)
treeb478d2213c255be3b75af162379cae93fafd6455
parent8d0fc7b61191c9433a4f738987b89e1d962eb637 (diff)
downloadblackbird-op-linux-0e03567a2c2542e142d5ab6c8bcbf6373a241afe.tar.gz
blackbird-op-linux-0e03567a2c2542e142d5ab6c8bcbf6373a241afe.zip
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>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c2
1 files changed, 2 insertions, 0 deletions
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;
}
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