netdev - Re: [PATCH RFC] net: introduce support for lazy initialization of secret keys

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Message-ID: <20130926030306.GA30364@order.stressinduktion.org>
Date:	Thu, 26 Sep 2013 05:03:06 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	fw@...len.de, edumazet@...gle.com, davem@...emloft.net,
	ycheng@...gle.com
Subject: Re: [PATCH RFC] net: introduce support for lazy initialization of secret keys

On Thu, Sep 26, 2013 at 04:50:24AM +0200, Hannes Frederic Sowa wrote:
>  static inline unsigned int inet6_ehashfn(struct net *net,
>  				const struct in6_addr *laddr, const u16 lport,
>  				const struct in6_addr *faddr, const __be16 fport)
>  {
> -	u32 ports = (((u32)lport) << 16) | (__force u32)fport;
> +	u32 ports;
> +
> +	net_get_random_once(&inet6_ehash_secret, sizeof(inet6_ehash_secret));

I was too quick with sending, this is broken. I cannot call this in a
static inline. Sorry for the noise.

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