Commit 5d41ce29 authored Nov 03, 2016 by David Ahern Committed by David S. Miller Nov 07, 2016

net: icmp6_send should use dst dev to determine L3 domain



icmp6_send is called in response to some event. The skb may not have
the device set (skb->dev is NULL), but it is expected to have a dst set.
Update icmp6_send to use the dst on the skb to determine L3 domain.

Fixes: ca254490 ("net: Add VRF support to IPv6 stack")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 20b2b24f

net/ipv6/icmp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -448,7 +448,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
		if (__ipv6_addr_needs_scope_id(addr_type))
		iif = skb->dev->ifindex;
		else
		iif = l3mdev_master_ifindex(skb->dev);
		iif = l3mdev_master_ifindex(skb_dst(skb)->dev);

		/*
		* Must not send error if the source does not uniquely