ipv4: take rtnl_lock and mark mrt table as freed on namespace cleanup
This is the IPv4 part for commit 905a6f96a1b1 (ipv6: take rtnl_lock and mark mrt6 table as freed on namespace cleanup). Cc: Hannes Frederic Sowa <hannes@stressinduktion.org> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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committed by
David S. Miller
parent
666b805150
commit
ed785309c9
@ -278,10 +278,12 @@ static void __net_exit ipmr_rules_exit(struct net *net)
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{
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struct mr_table *mrt, *next;
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rtnl_lock();
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list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) {
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list_del(&mrt->list);
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ipmr_free_table(mrt);
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}
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rtnl_unlock();
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fib_rules_unregister(net->ipv4.mr_rules_ops);
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}
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#else
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@ -308,7 +310,10 @@ static int __net_init ipmr_rules_init(struct net *net)
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static void __net_exit ipmr_rules_exit(struct net *net)
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{
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rtnl_lock();
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ipmr_free_table(net->ipv4.mrt);
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net->ipv4.mrt = NULL;
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rtnl_unlock();
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}
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#endif
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