Commit ed785309 authored by WANG Cong's avatar WANG Cong Committed by David S. Miller

ipv4: take rtnl_lock and mark mrt table as freed on namespace cleanup

This is the IPv4 part for commit 905a6f96
(ipv6: take rtnl_lock and mark mrt6 table as freed on namespace cleanup).

Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Acked-by: default avatarHannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: default avatarCong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 666b8051
......@@ -278,10 +278,12 @@ static void __net_exit ipmr_rules_exit(struct net *net)
{
struct mr_table *mrt, *next;
rtnl_lock();
list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) {
list_del(&mrt->list);
ipmr_free_table(mrt);
}
rtnl_unlock();
fib_rules_unregister(net->ipv4.mr_rules_ops);
}
#else
......@@ -308,7 +310,10 @@ static int __net_init ipmr_rules_init(struct net *net)
static void __net_exit ipmr_rules_exit(struct net *net)
{
rtnl_lock();
ipmr_free_table(net->ipv4.mrt);
net->ipv4.mrt = NULL;
rtnl_unlock();
}
#endif
......
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