Commit 66644982 authored by Anoob Soman's avatar Anoob Soman Committed by David S. Miller
Browse files

packet: call fanout_release, while UNREGISTERING a netdev

If a socket has FANOUT sockopt set, a new proto_hook is registered
as part of fanout_add(). When processing a NETDEV_UNREGISTER event in
af_packet, __fanout_unlink is called for all sockets, but prot_hook which was
registered as part of fanout_add is not removed. Call fanout_release, on a
NETDEV_UNREGISTER, which removes prot_hook and removes fanout from the

This fixes BUG_ON(!list_empty(&dev->ptype_specific)) in netdev_run_todo()

Signed-off-by: default avatarAnoob Soman <>
Signed-off-by: default avatarDavid S. Miller <>
parent 3d9e133f
......@@ -3952,6 +3952,7 @@ static int packet_notifier(struct notifier_block *this,
po->ifindex = -1;
if (po->
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment