linux-kernel - Re: [RFC PATCH] drivers: regulator: add error checks for exported APIs

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Message-ID: <CAAe_U6Kwetj8KKaio6wEQp_Tmy6EZWftkxYfcqmmgq5xygNATA@mail.gmail.com>
Date:	Thu, 26 Jul 2012 16:53:50 +0530
From:	"ABRAHAM, KISHON VIJAY" <kishon@...com>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	lrg@...com, balbi@...com, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] drivers: regulator: add error checks for exported APIs

On Thu, Jul 26, 2012 at 4:52 PM, Mark Brown
<broonie@...nsource.wolfsonmicro.com> wrote:
> On Thu, Jul 26, 2012 at 04:49:21PM +0530, ABRAHAM, KISHON VIJAY wrote:
>> On Thu, Jul 26, 2012 at 4:40 PM, Mark Brown
>
>> > Also NULL is a valid regulator (though we don't use it right now).
>
>> I see a lot of dereferencing *regulator*. How is it supposed to work
>> when *regulator* is NULL?
>
> Like I say we don't use this now but the spec in the API is that
> anything except an error pointer is valid.

Ok.

Thanks
Kishon
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