[PATCH] mmc: host: fix potential null pointer dereference

[Gustavo A. R. Silva]

Hi Stefan,

Quoting Stefan Wahren <stefan.wahren at i2se.com>:

> Hi Gustavo,
>
>> "Gustavo A. R. Silva" <garsilva at embeddedor.com> hat am 24. Mai 2017  
>> um 01:42 geschrieben:
>>
>>
>> Null check at line 1165: if (mrq->cmd), implies that mrq->cmd might
>> be NULL.
>> Add null checks before dereferencing pointer mrq->cmd in order to avoid
>> any potential NULL pointer dereference.
>>
>> Addresses-Coverity-ID: 1408740
>> Signed-off-by: Gustavo A. R. Silva <garsilva at embeddedor.com>
>
> Tested-by: Stefan Wahren <stefan.wahren at i2se.com>
>
> with a Raspberry Pi Zero.
>
> But please change the subject to make sure it's bcm2835 related:
>
> mmc: bcm2835: fix potential null pointer dereferences
>

OK, I'll send v2 shortly.

Thank you
--
Gustavo A. R. Silva