netdev - Re: [net-next-2.6 PATCH RFC] TCPCT part 1d: generate Responder Cookie

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Date:	Fri, 30 Oct 2009 14:11:54 -0400
From:	William Allen Simpson <william.allen.simpson@...il.com>
To:	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [net-next-2.6 PATCH RFC] TCPCT part 1d: generate Responder Cookie

William Allen Simpson wrote:
> First of all, this is my first attempt at locks, so I'd like early review.
> 
> Secondly, scripts/checkpatch.pl tells me:
> 
> ERROR: do not initialise statics to 0 or NULL
> #95: FILE: net/ipv4/tcp.c:2977:
> +static struct tcp_cookie_secret *tcp_secret_generating = NULL;
> 
> They need to be NULL, and I'm not planning on exporting them, so what's
> the preferred mechanism?
> 
> (I've grep'd many other instances of statics = 0 or NULL, so I'm not 
> alone.)
> 
I've found a void __init tcp_init() that seems to be used to initialize
some things, so I've stuck the NULL in there.

Still would like somebody to assure me that I've used the locks correctly.

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