Re: [PATCH] pci: of : fix BUG: unable to handle kernel

[Murali Karicheri <m-karicheri2@ti.com>]

On 03/11/2015 08:49 AM, Russell King - ARM Linux wrote:
> On Wed, Mar 11, 2015 at 07:35:45AM -0500, Rob Herring wrote:
>> On Tue, Mar 10, 2015 at 10:25 AM, Murali Karicheri<m-karicheri2@ti.com>  wrote:
>>> On some platforms such as that based on x86, ia64 etc, root bus is
>>> created with parent node passed in as NULL to pci_create_root_bus().
>>> On these platforms, the patch series "PCI: get DMA configuration from
>>> parent device" when applied causes kernel crash. So add a check for this
>>> in of_pci_dma_configure()
>>
>> Wouldn't these arches have OF disabled and call an empty function?
>> Regardless, we still need this.
>>
>>> Signed-off-by: Murali Karicheri<m-karicheri2@ti.com>
>>
>> I'm assuming Bjorn will apply this.
>>
>> Acked-by: Rob Herring<robh@kernel.org>
>
> It might be an idea to read the subject line...
>
> "fix BUG: unable to handle kernel"
Russell,

I will fix the subject as "fix BUG: unable to handle kernel NULL 
pointer" and re-send.

Thanks

Murali
>
> which is meaningless.  It needs a much better subject line before it can
> be committed.
>


-- 
Murali Karicheri
Linux Kernel, Texas Instruments