From: Hangbin Liu <liuhang...@gmail.com>
Date: Thu, 12 Jan 2017 21:19:37 +0800
> This is an IPv6 version of commit 24803f38a5c0 ("igmp: do not remove igmp
> souce list..."). In mld_del_delrec(), we will restore back all source filter
> info instead of flush them.
>
> Move mld_clear_delrec() from ipv6_mc_down() to ipv6_mc_destroy_dev() since
> we should not remove source list info when set link down. Remove
> igmp6_group_dropped() in ipv6_mc_destroy_dev() since we have called it in
> ipv6_mc_down().
>
> Also clear all source info after igmp6_group_dropped() instead of in it
> because ipv6_mc_down() will call igmp6_group_dropped().
>
> Signed-off-by: Hangbin Liu <liuhang...@gmail.com>
Applied.
