Re: [PATCH 2/6] i2c-xiic: Fix a possible NULL pointer access

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On Sat, Aug 18, 2012 at 6:52 PM, Shubhrajyoti Datta
<omaplinuxkernel@xxxxxxxxx> wrote:
> On Sat, Aug 18, 2012 at 3:47 PM, Wolfram Sang <w.sang@xxxxxxxxxxxxxx> wrote:
>> On Thu, Aug 09, 2012 at 07:07:43PM +0530, Shubhrajyoti D wrote:
>>> platform_get_resource uses pdev so move the function
>>> platform_set_drvdata(pdev, NULL) after the get_resource.
>>
> Yes agree.
>
>> This descriptions sounds as you'd assume pdev is set to NULL here?
>> Careful, platform_set_drvdata() does not clear pdev, but driver_data of
>> pdev->dev!
>>
>> So, I guess the rest of this series is bogus?
>>
>> It would be worth checking if other drivers have the same pattern as the
>> omap driver where the fix was valid for other reasons. Are you
>> interested in doing that (perfectly fine to say no).
>
> Yes I can take that , lest someone with the platform/ test set-up can
> take that up.

By the way davinci and designware seem to have the issue
however having a closer look even the probe err handling looks wrong.

>>
>> Regards,
>>
>>    Wolfram
>>
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