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netns: restore ops before calling ops_exit_list 

ops has been iterated to first element when call pre_exit, and
it needs to restore from save_ops, not save ops to save_ops

Fixes: d7d99872c1 ("netns: add pre_exit method to struct pernet_operations")
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Li RongQing 2019-06-20 19:24:40 +08:00 committed by David S. Miller
parent 9eee3b4913
commit b272a0ad73
1 changed files with 1 additions and 1 deletions
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2
net/core/net_namespace.c
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@ -345,7 +345,7 @@ static __net_init int setup_net(struct net *net, struct user_namespace *user_ns)
synchronize_rcu();
saved_ops = ops;
ops = saved_ops;
list_for_each_entry_continue_reverse(ops, &pernet_list, list)
ops_exit_list(ops, &net_exit_list);