Messages in this thread | | | Date | Fri, 6 Jul 2018 16:24:27 -0700 | From | Darren Hart <> | Subject | Re: [PATCH] platform/x86: sony-laptop: Mark expected switch fall-through |
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On Thu, Jul 05, 2018 at 03:47:03PM -0500, Gustavo A. R. Silva wrote: > In preparation to enabling -Wimplicit-fallthrough, mark switch cases > where we are expecting to fall through. > > Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> > --- > drivers/platform/x86/sony-laptop.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c > index b205b03..e614cb7 100644 > --- a/drivers/platform/x86/sony-laptop.c > +++ b/drivers/platform/x86/sony-laptop.c > @@ -4427,6 +4427,7 @@ sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) > default: > dprintk("Resource %d isn't an IRQ nor an IO port\n", > resource->type); > + /* fall through */
Here too, I wonder if this is intentional. Either way, from what I can see, the final line in the function:
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 Hart VMware Open Source Technology Center
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