Re: [PATCHv4 4/7] hwspinlock/core: add common OF helpers

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On Mon, Feb 10, 2014 at 9:14 PM, Suman Anna <s-anna@xxxxxx> wrote:
> On 02/07/2014 04:49 PM, Bjorn Andersson wrote:
>> It seems to be standard practice to pass the error value back to the
>> consumer, so you should
>> return ERR_PTR(ret); here instead of the NULL...
>
>
> I have modelled the return values in this function based on the return
> values in the existing hwspin_lock_request interfaces. I would need to
> change those functions as well.
>
> Ohad,
> Do you have any objections to the return code convention change?

Unless strictly needed, I prefer we don't switch to the ERR_PTR code
convention, as it reduces code readability and increases chances of
user bugs.

In our case, switching to ERR_PTR and friends seems only to optimize a
few error paths, and I'm not sure it's a big win over simplicity.

Thanks,
Ohad.
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