linux-kernel - Re: [PATCH v2 1/2] regulator: add support for regulators on the ab8500 MFD

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] [day] [month] [year] [list]

Message-ID: <20101027175620.GB25134@opensource.wolfsonmicro.com>
Date:	Wed, 27 Oct 2010 10:56:21 -0700
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Thiago Farina <tfransosi@...il.com>
Cc:	Sundar Iyer <sundar.iyer@...ricsson.com>, lrg@...mlogic.co.uk,
	sameo@...ux.intel.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	STEricsson_nomadik_linux@...t.st.com,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Bengt JONSSON <bengt.g.jonsson@...ricsson.com>
Subject: Re: [PATCH v2 1/2] regulator: add support for regulators on the
 ab8500 MFD

On Wed, Oct 27, 2010 at 03:42:53PM -0200, Thiago Farina wrote:
> On Wed, Oct 27, 2010 at 3:33 PM, Mark Brown

> > There is no reason to do this, logical values are treated as 0 and 1 in
> > C.  Using false and true is clear and won't cause any difference in
> > code.

> In C99 I suppose that is true and legal?

Yes.  C has always used 1 and 0 as the numerical mappings for logical
values, the addition of the keywords did not change them.

> >> Maybe like this?
> >> return (ret & info->mask) ? 1: 0;

> > No, that's needlessly obfuscated.

> Obfuscated? What you mean? It is a driver, and people reading and
> writing a driver would know what it means, no?

Adding the ternery operator just makes the code more noisy for no
benefit.

> Would be much simpler if it was just (like done in ab3100.c):

> return (ret & info->mask);

Yes, though there's no problem with the current code either.
--
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/