ipv4: get rid of ip_ra_lock

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After commit 1215e51eda ("ipv4: fix a deadlock in ip_ra_control")
we always take RTNL lock for ip_ra_control() which is the only place
we update the list ip_ra_chain, so the ip_ra_lock is no longer needed.

As Eric points out, BH does not need to disable either, RCU readers
don't care.

Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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WANG Cong 2017-04-28 10:04:29 -07:00 • committed by David S. Miller

parent 5010e94842

commit ba3f571d5d

1 changed files with 2 additions and 10 deletions

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12

net/ipv4/ip_sockglue.c

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