On 09/14/2016 11:32 PM, Richard Cochran wrote:
> On Wed, Sep 14, 2016 at 11:10:48PM +0300, Grygorii Strashko wrote:
>> On 09/14/2016 04:52 PM, Richard Cochran wrote:
>>> On Wed, Sep 14, 2016 at 04:02:25PM +0300, Grygorii Strashko wrote:
> 
>>>> -  if (!cpts->rx_enable)
>>>> +  if (!cpts || !cpts->rx_enable)
>>>>            return;
> 
>> Ok. I can't say I'd like all this checks, but there are internal requirement 
>> to allow CPTS to be disabled though DT on KS2 (even if built in).
>> I'd try to clarify and return back here.
>>
>> But It'll be good to know your position - acceptable/can be 
>> discussed/completely unacceptable?
> 
> Look at that code snippet.  We already test for @cpts->rx_enable.  If
> you want to disable cpts at run time, just avoid setting that field.
> There is no need for any new tests or return codes.
> 

The problem is that if cpts not initialized than pinter on 
cpts (in consumer/parent driver - NETCP) will be NULL.
So, rx_enable will be unaccessible and cause crash :(

-- 
regards,
-grygorii

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