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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
--
To unsubscribe from this list: send the line "unsubscribe dmaengine" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux