On Mon, Nov 30, 2015 at 11:01:48AM -0500, David Miller wrote:
> From: Andrew Lunn
> Date: Wed, 25 Nov 2015 21:15:36 +0100
>
> > @@ -2126,7 +2126,7 @@ int ip_mc_leave_group(struct sock *sk, struct
> > ip_mreqn *imr)
> > ASSERT_RTNL();
> >
> > in_dev = ip_mc_find_dev(net, imr);
> > - i
From: Andrew Lunn
Date: Wed, 25 Nov 2015 21:15:36 +0100
> @@ -2126,7 +2126,7 @@ int ip_mc_leave_group(struct sock *sk, struct ip_mreqn
> *imr)
> ASSERT_RTNL();
>
> in_dev = ip_mc_find_dev(net, imr);
> - if (!in_dev) {
> + if (!imr->imr_ifindex && !imr->imr_address.s_addr &&
When a multicast group is joined on a socket, a struct ip_mc_socklist
is appended to the sockets mc_list containing information about the
joined group.
If the interface is hot unplugged, this entry becomes stale. Prior to
52ad353a5344f "(igmp: fix the problem when mc leave group") it was
possible
