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Commit fa2da8cd authored by stephen hemminger's avatar stephen hemminger Committed by David S. Miller
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bridge: correct IPv6 checksum after pull 



Bridge multicast snooping of ICMPv6 would incorrectly report a checksum problem
when used with Ethernet devices like sky2 that use CHECKSUM_COMPLETE.
When bytes are removed from skb, the computed checksum needs to be adjusted.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Tested-by: default avatarMartin Volf <martin.volf.42@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0284a0fd

net/bridge/br_multicast.c

+2 −0
Original line number Diff line number Diff line
@@ -1501,6 +1501,8 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br, 


	__skb_pull(skb2, offset);

	skb_reset_transport_header(skb2);

	skb_postpull_rcsum(skb2, skb_network_header(skb2),

			   skb_network_header_len(skb2));



	icmp6_type = icmp6_hdr(skb2)->icmp6_type;