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From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Cc: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>,
	Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	"Chen-Yu Tsai" <wens-jdAy2FN1RRM@public.gmane.org>,
	Herbert Xu
	<herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>,
	marc.zyngier-5wv7dgnIgG8@public.gmane.org,
	catalin.marinas-5wv7dgnIgG8@public.gmane.org,
	will.deacon-5wv7dgnIgG8@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
	Corentin Labbe
	<clabbe.montjoie-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linux-crypto-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"David S. Miller" <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
Subject: Re: [RFC PATCH 2/5] crypto: sunxi-ss: fix min3() call to match types
Date: Tue, 22 Dec 2015 23:06:58 +0100	[thread overview]
Message-ID: <201512222306.58681.arnd@arndb.de> (raw)
In-Reply-To: <1450787267-26836-3-git-send-email-andre.przywara-5wv7dgnIgG8@public.gmane.org>

On Tuesday 22 December 2015, Andre Przywara wrote:
> The min3() macro expects all arguments to be of the same type (or
> size at least). While two arguments are ints or u32s, one is size_t,
> which does not match on 64-bit architectures.
> Cast the size_t to u32 to make min3() happy. In this context here the
> length should never exceed 32 bits anyway.
> 
> Signed-off-by: Andre Przywara <andre.przywara-5wv7dgnIgG8@public.gmane.org>

Looks correct, but a bit ugly. Could we avoid the casts by using
temporary variables to keep the size_t based data?

	Arnd

  parent reply	other threads:[~2015-12-22 22:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1450787267-26836-1-git-send-email-andre.przywara@arm.com>
2015-12-22 12:27 ` [RFC PATCH 2/5] crypto: sunxi-ss: fix min3() call to match types Andre Przywara
     [not found]   ` <1450787267-26836-3-git-send-email-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2015-12-22 22:06     ` Arnd Bergmann [this message]
     [not found]       ` <201512222306.58681.arnd-r2nGTMty4D4@public.gmane.org>
2015-12-23  0:07         ` André Przywara
2016-01-04 14:20   ` Uwe Kleine-König
2015-12-22 12:27 ` [RFC PATCH 3/5] crypto: sunxi-ss: fix dev_dbg() output type Andre Przywara
     [not found]   ` <1450787267-26836-4-git-send-email-andre.przywara-5wv7dgnIgG8@public.gmane.org>
2015-12-22 22:07     ` Arnd Bergmann
2015-12-24 12:56     ` Corentin LABBE
2015-12-27 22:05   ` Maxime Ripard

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