linux-kernel - Re: [PATCH] DRBG: fix bit shifting on 32 bit systems

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Message-ID: <1474386.ELDQfGhIun@myon.chronox.de>
Date:	Tue, 26 Aug 2014 09:37:13 +0200
From:	Stephan Mueller <smueller@...onox.de>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] DRBG: fix bit shifting on 32 bit systems

Am Dienstag, 26. August 2014, 15:32:19 schrieb Herbert Xu:

Hi Herbert,

> On Tue, Aug 26, 2014 at 09:31:02AM +0200, Stephan Mueller wrote:
> > Use ULL to mark a 64 bit value.
> > 
> > Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> > Reported-by: kbuild test robot <fengguang.wu@...el.com>
> > Signed-off-by: Stephan Mueller <smueller@...onox.de>
> 
> I don't think this works as size_t is still 32-bit which means
> that you'll return zero.

Oops, yes. Thank you for catching this. I guess I need __u64 for this value. A 
patch will come shortly.
> 
> Cheers,


-- 
Ciao
Stephan
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