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| /openbmc/linux/net/ipv4/ |
| H A D | igmp.c | diff 24803f38a5c0b6c57ed800b47e695f9ce474bc3a Mon Nov 14 02:16:28 CST 2016 Hangbin Liu <liuhangbin@gmail.com> igmp: do not remove igmp souce list info when set link down
In commit 24cf3af3fed5 ("igmp: call ip_mc_clear_src..."), we forgot to remove
igmpv3_clear_delrec() in ip_mc_down(), which also called ip_mc_clear_src().
This make us clear all IGMPv3 source filter info after NETDEV_DOWN.
Move igmpv3_clear_delrec() to ip_mc_destroy_dev() and then no need
ip_mc_clear_src() in ip_mc_destroy_dev().
On the other hand, we should restore back instead of free all source filter
info in igmpv3_del_delrec(). Or we will not able to restore IGMPv3 source
filter info after NETDEV_UP and NETDEV_POST_TYPE_CHANGE.
Fixes: 24cf3af3fed5 ("igmp: call ip_mc_clear_src() only when ...")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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