netns: restore ops before calling ops_exit_list
commit b272a0ad upstream. 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: d7d99872 ("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> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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549c025a
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