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Commit db5dda90 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

bonding: fix bond_inet6addr_event() 



After commit ad1afb00 (vlan_dev: VLAN 0 should be treated
as "no vlan tag" (802.1p packet)),
bond_inet6addr_event() might be called with a NULL bond->vlgrp pointer, and
a non empty bond->vlan_list. vlan_group_get_device() is dereferencing a NULL pointer.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c26875e2

drivers/net/bonding/bond_ipv6.c

+2 −0
Original line number Diff line number Diff line
@@ -178,6 +178,8 @@ static int bond_inet6addr_event(struct notifier_block *this, 
		}



		list_for_each_entry(vlan, &bond->vlan_list, vlan_list) {

			if (!bond->vlgrp)

				continue;

			vlan_dev = vlan_group_get_device(bond->vlgrp,

							 vlan->vlan_id);

			if (vlan_dev == event_dev) {