Re: [v2 2/2] io_uring: Improve exception handling in io_ring_ctx_alloc()

[Markus Elfring]

>> The label “err” was used to jump to a kfree() call despite of
>> the detail in the implementation of the function “io_ring_ctx_alloc”
>> that it was determined already that a corresponding variable contained
>> a null pointer because of a failed memory allocation.
>>
>> 1. Thus use more appropriate labels instead.
>>
>> 2. Reorder jump targets at the end.
>>
>
> As I mentioned on v1, this doesn't do us any good,

I dare to present other development views.


> as kfree can handle NULL pointers just fine,

Yes, this is the case.

Would you dare to categorise such a special function calls as redundant?

May it be skipped in more cases?


> and changes like this becomes churn later when backporting or modifying the code.

There are usual opportunities to consider for further collateral evolution.

Regards,
Markus