On Sat, Apr 01, 2017 at 10:14:24PM +0800, Liping Zhang wrote:
> @@ -1960,9 +1955,7 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl,
> err = -EEXIST;
> ct = nf_ct_tuplehash_to_ctrack(h);
> if (!(nlh->nlmsg_flags & NLM_F_EXCL)) {
> - spin_lock_bh(&nf_conntrack_expect_lock);
> err = ctnetlink_change_conntrack(ct, cda);
> - spin_unlock_bh(&nf_conntrack_expect_lock);
We used to have a central spinlock here.
spin_lock_bh(&nf_conntrack_lock);
that was removed time ago, so this go converted to use
nf_conntrack_expect_lock.
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