net: igmp: Use ingress interface rather than vrf device
Anuradha reported that statically added groups for interfaces enslaved to a VRF device were not persisting. The problem is that igmp queries and reports need to use the data in the in_dev for the real ingress device rather than the VRF device. Update igmp_rcv accordingly. Fixes: e58e4159 ("net: Enable support for VRF with ipv4 multicast") Reported-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com> Signed-off-by: David Ahern <dsahern@gmail.com> Reviewed-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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