ipv6: add mtu lock check in __ip6_rt_update_pmtu

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Prior to this patch, ipv6 didn't do mtu lock check in ip6_update_pmtu.
It leaded to that mtu lock doesn't really work when receiving the pkt
of ICMPV6_PKT_TOOBIG.

This patch is to add mtu lock check in __ip6_rt_update_pmtu just as ipv4
did in __ip_rt_update_pmtu.

Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Xin Long 2016-10-28 18:18:01 +08:00 • committed by David S. Miller

parent f89c56ce71

commit 19bda36c42

1 changed files with 3 additions and 0 deletions

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net/ipv6/route.c

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