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net/mlx4_en: dereferencing freed memory 

We dereferenced "mclist" after the kfree().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2012-07-10 20:34:07 +00:00 committed by David S. Miller
parent 447458c01f
commit 9c64508af2
1 changed files with 1 additions and 3 deletions
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4
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -503,9 +503,7 @@ static void mlx4_en_do_set_multicast(struct work_struct *work)
/* remove from list */ /* remove from list */
list_del(&mclist->list); list_del(&mclist->list);
kfree(mclist); kfree(mclist);
} } else if (mclist->action == MCLIST_ADD) {
if (mclist->action == MCLIST_ADD) {
/* attach the address */ /* attach the address */
memcpy(&mc_list[10], mclist->addr, ETH_ALEN); memcpy(&mc_list[10], mclist->addr, ETH_ALEN);
/* needed for B0 steering support */ /* needed for B0 steering support */