On Mon, 2016-08-15 at 16:40 +0200, Johannes Thumshirn wrote:
> On Mon, Aug 15, 2016 at 07:25:53AM -0700, James Bottomley wrote:
> > On Mon, 2016-08-15 at 22:11 +0800, kbuild test robot wrote:
> > > Hi Johannes,
> > >
> > > [auto build test ERROR on scsi/for-next]
> > > [also build test ERROR on v4.8-rc2 next-20160815]
> > > [if your patch is applied to the wrong git tree, please drop us a
> > > note to help improve the system]
> >
> > This is happening because scsi_is_sas_rphy wasn't designed to be
> > used outside the SAS transport class, so it's failing when the
> > ATTRs aren't defined.
> >
> > This is the way you fix it (needs to be a precursor patch to 1/2):
> >
> > James
>
> Thanks, but I'm wondering about the call to sas_get_address(). It was
> there before the patch as well and now it's an undefined reference.
> Am I missing something here? Sure it can be guarded in the #if block.
Yes: gcc is kind enough to elide any code that looks like
if (0) {
refer to something
}
So the static inline ensures anything within the brace isn't used as a
linkable reference.
James
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