ipv6: addrconf: Avoid addrconf_disable_change() using RCU read-side lock
commit 03e4deff upstream. Just like commit 4acd4945 ("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:
Willy Tarreau <w@1wt.eu>
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