netdev - Re: [PATCH net-next-2.6] net: build_ehash_secret() and rt_bind

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Message-ID: <20100819163022.GD24357@Krystal>
Date:	Thu, 19 Aug 2010 12:30:22 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next-2.6] net: build_ehash_secret() and
	rt_bind_peer() cleanups

* Mathieu Desnoyers (mathieu.desnoyers@...ymtl.ca) wrote:
> * Changli Gao (xiaosuo@...il.com) wrote:
> > On Thu, Aug 19, 2010 at 11:46 PM, Eric Dumazet <eric.dumazet@...il.com> wrote:
[...]
> > > +       peer = cmpxchg(&rt->peer, NULL, peer);
> > > +
> > > +       if (unlikely(peer))
> > 
> > It isn't correct, and should be
> >      if (unlikely(cmpxchg(&rt->peer, NULL, peer) != NULL))
> > 
> > >                inet_putpeer(peer);
> > >  }
> 
> What do you mean by "It isn't correct" ? Eric code and yours perform the
> exact same thing. So I assume this is just a code style issue here.

Nevermind my comment, it's not accurate.

Thanks,

Mathieu


-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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