linux-kernel - Re: [PATCH 2/5] gpio: Cygnus: add GPIO driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1417839865.31745.10.camel@perches.com>
Date:	Fri, 05 Dec 2014 20:24:25 -0800
From:	Joe Perches <joe@...ches.com>
To:	Ray Jui <rjui@...adcom.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Florian Fainelli <f.fainelli@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Scott Branden <sbranden@...adcom.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-gpio@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com,
	devicetree@...r.kernel.org
Subject: Re: [PATCH 2/5] gpio: Cygnus: add GPIO driver

On Fri, 2014-12-05 at 19:41 -0800, Ray Jui wrote:
> On 12/5/2014 6:34 PM, Joe Perches wrote:
> > On Fri, 2014-12-05 at 18:14 -0800, Ray Jui wrote:
> >> On 12/5/2014 5:28 PM, Joe Perches wrote:
> >>> On Fri, 2014-12-05 at 16:40 -0800, Ray Jui wrote:
> >>>> +			for_each_set_bit(bit, &val, 32) {
[]
> Actually, by reviewing the code more deeply, I'm not sure why using 
> for_each_set_bit here is 'endian unsafe'.

It's not.  The 32 confused me as it was long
and sizeof(long) isn't necessarily 32.

Maybe the 32 should be a #define



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/