ARM-SMMU: Delete error messages for a failed memory allocation in three functions

[SF Markus Elfring]

>> Date: Sat, 20 Jan 2018 15:30:17 +0100
>>
>> Omit extra messages for a memory allocation failure in these functions.
> 
> Why?

Do you find the wording “WARNING: Possible unnecessary 'out of memory' message”
(from the script “checkpatch.pl”) more reasonable?


> This may as well be "delete some stuff because I feel like it".

Do you find the Linux allocation failure report insufficient
in this use case?

Regards,
Markus