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SubjectRe: [PATCH 17/26] intel_telemetry_debugfs: constify local structures
On Thu, Sep 29, 2016 at 07:19:21AM +0200, Julia Lawall wrote:
>
>
> On Wed, 28 Sep 2016, Darren Hart wrote:
>
> > On Sun, Sep 11, 2016 at 03:05:59PM +0200, Julia Lawall wrote:
> >
> > Hi Julia,
> >
> > > For structure types defined in the same file or local header files, find
> > > top-level static structure declarations that have the following
> > > properties:
> > > 1. Never reassigned.
> > > 2. Address never taken
> >
> > Hrm. telem_apl_debugfs_conf is passed to the TELEM_DEBUGFS_CPU macro as the
> > second argument "data":
> >
> > #define TELEM_DEBUGFS_CPU(model, data) \
> > { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&data}
> >
> > And the address is taken, and later assigned to the debugfs_conf pointer.
> >
> > The usage still seems OK, but did I misunderstand the conditions?
>
> OK, this is definitely a weakness of the script and my methodology for
> checking the results. There was already a case of a cast that I have
> fixed up my script for, but this one is worse because it's under a macro.
> I can look into whether the cast can be changed to add a const, but for
> the time being, I think you should just drop this patch.
>

Done! :-)

> Thanks for the careful review.
>

Sure thing, thanks for all your work with cocci.
--
Darren Hart
Intel Open Source Technology Center

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