char/tpm: Improve a size determination in nine functions

[SF Markus Elfring]

>> Do you find my wording “This issue was detected by using the
>> Coccinelle software.” insufficient?
> 
> The question is not whether it is insufficient, but whether it is appropriate.

I am curious on how our corresponding discussion will evolve further.


> Detecting Coccinelle issues is one step.  The next step is deciding
> what to do with them.

Will the clarification achieve any more useful results?


> Up to now, these messages have been sent out as informational, not as patches.

I sent some update suggestions as patches also in this series (as usual).


> Before sending patches to change existing code, address the "problem"
> so that it doesn't continue to happen.

It might be very challenging to achieve such a goal.


> Only afterwards is it appropriate to discuss what to do with existing code.

I would prefer to get corresponding improvements in both areas in parallel
(if it is generally possible).

Regards,
Markus