bonding: do not allow rlb updates to invalid mac

Make sure multicast, broadcast, and zero mac's cannot be the output of rlb
updates, which should all be directed arps. Receive load balancing will be
collapsed if any of these happen, as the switch will broadcast.

Signed-off-by: Debabrata Banerjee <dbanerje@akamai.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Debabrata Banerjee 2018-05-09 19:32:10 -04:00 committed by David S. Miller
parent ca3943c4aa
commit 4fa8667ca3

View File

@ -450,7 +450,7 @@ static void rlb_update_client(struct rlb_client_info *client_info)
{
int i;
if (!client_info->slave)
if (!client_info->slave || !is_valid_ether_addr(client_info->mac_dst))
return;
for (i = 0; i < RLB_ARP_BURST_SIZE; i++) {