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Kefeng Wang 79453ab881 ipv6: addrconf: Avoid addrconf_disable_change() using RCU read-side lock ...

[ Upstream commit 03e4deff49 ]

Just like commit 4acd4945cd ("ipv6: addrconf: Avoid calling
netdevice notifiers with RCU read-side lock"), it is unnecessary
to make addrconf_disable_change() use RCU iteration over the
netdev list, since it already holds the RTNL lock, or we may meet
Illegal context switch in RCU read-side critical section.

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2017-02-04 09:47:10 +01:00

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152 KiB

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