ipv6: fix skb drops in igmp6_event_query() and igmp6_event_report()

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While investigating on why a synchronize_net() has been added recently
in ipv6_mc_down(), I found that igmp6_event_query() and igmp6_event_report()
might drop skbs in some cases.

Discussion about removing synchronize_net() from ipv6_mc_down()
will happen in a different thread.

Fixes: f185de28d9 ("mld: add new workqueues for process mld events")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Taehee Yoo <ap420073@gmail.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220303173728.937869-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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This commit is contained in:

Eric Dumazet 2022-03-03 09:37:28 -08:00 • committed by Jakub Kicinski

parent e1bec7fa1c

commit 2d3916f318

2 changed files with 14 additions and 22 deletions

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4

include/net/ndisc.h

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32

net/ipv6/mcast.c

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