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SubjectRe: [PATCH 5/10 v2] Input: cpcap-pwrbutton: Handle return value of platform_get_irq
On Sat, Nov 18, 2017 at 08:21:22AM +0000, Russell King - ARM Linux wrote:
> On Sat, Nov 18, 2017 at 02:36:53AM +0530, Arvind Yadav wrote:
> > platform_get_irq() can fail here and we must check its return value.
>
> The test should be <= 0, and you need to return an error code for the
> 0 case.

Instead of polluting the drivers with special handling of 0 vs negative
error we should have platform_get_irq[_byname] return -EINVAL if it sees
0.

Thanks.

--
Dmitry

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