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Date:   Tue, 9 May 2017 21:22:40 +0800
From:   Hangbin Liu <>
To:     Eric Dumazet <>
Subject: Re: [PATCH net] tcp: init tcp_options before using it.

On Mon, May 08, 2017 at 07:49:23AM -0700, Eric Dumazet wrote:
> On Mon, 2017-05-08 at 17:57 +0800, Hangbin Liu wrote:
> > I searched 4308fc58dced ("tcp: Document use of undefined variable") in
> > archive list, but did not find the thread. So I'm not sure why we only
> > add a description about un-initialized value.
> > 
> > Even we don't use tmp_opt.sack_ok, I think it would be more safe to
> > initialize the value before using it. Just as other caller did.
> Patch is not needed at all.
> Comment and code are pretty clear.
> This part of the code uses a generic function ( tcp_parse_options()) to
> decode TCP options, but we are only caring about TS one.

OK, got it. Thanks for the explanation and sorry for the inconvenience.

Best Regards

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