Re: [PATCH 1/4] regmap: Add generic non-memory mapped register access API

Grant Likely
2011-07-15T03:30:43Z

On Thu, Jul 14, 2011 at 9:25 PM, Mark Brown
<broonie@opensource.wolfsonmicro.com> wrote:
> On Thu, Jul 14, 2011 at 08:53:26PM -0600, Grant Likely wrote:
>> > +err:
>> > +   return ERR_PTR(ret);
>
>> Personal soapbox: I'm not at all a fan of the ERR_PTR() pattern
>> because it provides no clues to the caller (gcc) if a failure is
>> returned as a NULL or as a 0.  Unless there is a really strong
>> argument for needing to differentiate between "no data" and "things
>> went bad", I'd rather see APIs that return NULL on failure.
>
> We should just switch to C++ and use exceptions :)

heeheehee.

g.