netdev - Re: [PATCH] dccp: use roundup instead of opencoding

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Date:	Fri, 05 Dec 2008 21:47:43 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
Cc:	David Miller <davem@...emloft.net>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] dccp: use roundup instead of opencoding

On Fri, 2008-12-05 at 23:43 +0200, Ilpo Järvinen wrote:
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>
> ---
>  net/dccp/output.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/net/dccp/output.c b/net/dccp/output.c
> index fea30cd..1b75ece 100644
> --- a/net/dccp/output.c
> +++ b/net/dccp/output.c
> @@ -175,7 +175,7 @@ unsigned int dccp_sync_mss(struct sock *sk, u32 pmtu)
>  	 * make it a multiple of 4
>  	 */
>  
> -	cur_mps -= ((5 + 6 + 10 + 6 + 6 + 6 + 3) / 4) * 4;
> +	cur_mps -= roundup(5 + 6 + 10 + 6 + 6 + 6);

Maybe you should check that with your compiler.

Ben.

>  	/* And store cached results */
>  	icsk->icsk_pmtu_cookie = pmtu;
> -- 
> 1.5.2.2
-- 
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

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