Re: [PATCH v2 2/6] ACPI / bus: Do not traverse through non-existed device table

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On Thu, 2018-02-01 at 22:40 +0200, Andy Shevchenko wrote:
> On Thu, 2018-02-01 at 15:32 -0500, Sinan Kaya wrote:
> > On 2/1/2018 3:20 PM, Andy Shevchenko wrote:
> > > When __acpi_match_device() is called it would be possible to have
> > > ACPI ID table a MULL pointer. To avoid potential dereference,
> > 
> > NULL
> 
> Thanks, will fix later.
> 
> > Why not bail out here immediately if ids is null?
> 
> Because of the code which wasn't in context of this patch.
> 
> See also patch 1 in the series.
> 
> It's about how acpi_driver_match_device() uses it.

Btw, it makes device_get_match_data() to work properly on PRP0001 kind
of devices.

-- 
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy
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