block/ps3vram: Delete an error message for a failed memory allocation in ps3vram_cache_init()

[Geoff Levand]

On 08/07/2017 09:27 AM, SF Markus Elfring wrote:
>>> Omit an extra message for a memory allocation failure in this function.
>>>
>>> This issue was detected by using the Coccinelle software.
>>
>> NACK
>>
>> When a user asks me for help I would certainly like to get 
>> 'Could not allocate cache tags' as apposed to nothing,
> 
> Do you find the default allocation failure report insufficient?

The default is OK.  I didn't consider one would be triggered by
the kzalloc failure.

>> since the return value of ps3vram_cache_init() is not checked.
> 
> Are there any more update candidates to consider for better exception handling?

The return of ps3vram_cache_init() should be checked.  Feel
free to propose others.

-Geoff