Re: [PATCH] platform/x86: sony-laptop: Mark expected switch fall-through

From: Andy Shevchenko
Date: Sat Jul 07 2018 - 12:19:24 EST


On Sat, Jul 7, 2018 at 2:24 AM, Darren Hart <dvhart@xxxxxxxxxxxxx> wrote:

> return AE_CTRL_TERMINATE;
>
> Is unreachable as there are no "break" statements in the switch, and the default
> falls through to return AE_OK. Something doesn't seem right here.

Darren, I didn't look at the code in question, though just to clarify
such error codes.
If the function used in acpi_walk_namespace() or alike, AE_OK means
"To continue", while AE_CTRL_TERMINATE to "stop, whatever we looked
for is found right now".

--
With Best Regards,
Andy Shevchenko