From: Guenter Roeck <guenter.roeck@ericsson.com>
To: Clemens Ladisch <clemens@ladisch.de>
Cc: Jean Delvare <khali@linux-fr.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>
Subject: Re: [lm-sensors] [PATCH 3/3] hwmon: (jc42) do not allow writing to locked registers
Date: Wed, 16 Feb 2011 07:20:28 -0800 [thread overview]
Message-ID: <20110216152028.GA14199@ericsson.com> (raw)
In-Reply-To: <4D5BE927.7000306@ladisch.de>
On Wed, Feb 16, 2011 at 10:11:35AM -0500, Clemens Ladisch wrote:
> Guenter Roeck wrote:
> > On Wed, Feb 16, 2011 at 08:02:38AM -0500, Clemens Ladisch wrote:
> > > + readonly = config & JC42_CFG_TCRIT_LOCK;
> >
> > You are assigning a non-bool to a bool. I can see that recent C compilers
> > do the right thing, but I am not sure if that is always the case.
> > So I would prefer
> > readonly = !!(config & JC42_CFG_TCRIT_LOCK);
> >
> > Same for the assignments below. I can make that change if you are ok with it.
>
> I cannot imagine how a compiler could get this wrong even if it tried
> to, but if you think so, go ahead. :)
>
I don't know. Maybe I am just paranoid. Using !! is how I usually see it done.
Is it really needed ? No idea. Better safe than sorry...
Applied with above changes.
Thanks,
Guenter
next prev parent reply other threads:[~2011-02-16 15:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-16 13:00 [PATCH 0/3] hwmon: some jc42 changes Clemens Ladisch
2011-02-16 13:01 ` [PATCH 1/3] hwmon: (jc42) fix type mismatch Clemens Ladisch
2011-02-16 15:09 ` [lm-sensors] " Guenter Roeck
2011-02-16 13:02 ` [PATCH 2/3] hwmon: (jc42) more helpful documentation Clemens Ladisch
2011-02-16 15:09 ` [lm-sensors] " Guenter Roeck
2011-02-16 13:02 ` [PATCH 3/3] hwmon: (jc42) do not allow writing to locked registers Clemens Ladisch
2011-02-16 14:50 ` [lm-sensors] " Guenter Roeck
2011-02-16 15:11 ` Clemens Ladisch
2011-02-16 15:20 ` Guenter Roeck [this message]
2011-02-16 15:38 ` Clemens Ladisch
2011-02-16 16:15 ` Guenter Roeck
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