linux-kernel - Re: [PATCH 2/5] net: rfkill: add rfkill_find

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Message-ID: <1438853219.29746.184.camel@linux.intel.com>
Date:	Thu, 06 Aug 2015 12:26:59 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:	Johannes Berg <johannes@...solutions.net>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH 2/5] net: rfkill: add rfkill_find_type function

On Thu, 2015-08-06 at 11:30 +0300, Heikki Krogerus wrote:
> > > 
> On Wed, Aug 05, 2015 at 05:07:29PM +0300, Andy Shevchenko wrote:
> > On Wed, 2015-08-05 at 16:39 +0300, Heikki Krogerus wrote:


> > > +static inline enum rfkill_type rfkill_find_type(const char
> > > *name)
> > > +{
> > > +	return 0;
> > 
> > Hmm… Besides 0 is implicitly casted to enum type the issue with 
> > enums
> > that you rather have to supply existing enum entry. I would suggest 
> > to
> > add RFKILL_TYPE_UNKNOWN if _ALL is reserved for some use cases.
> 
> Why would you add a new type just for this? You do realize it would
> require adding specific handling all over the place? RFKILL_TYPE_ALL
> (0) is already handled as an invalid type.

It was my thought as well (see *if* in my previous comment).

>  Confused?

A bit, yes.

> 
> I'll change this and return RFKILL_TYPE_ALL instead of 0.

Excellent!

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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