>> I got the software development idea then to change the function return type
>> to “void” together with the deletion of return statements by the help of
>> the tool “Coccinelle 1.0.8-4-g842075f7” instead of adjusting return
>> values.
>>
>> @replacement@
>> constant C;
>> identifier action,
> Unfortunately, I do not get the transformation result which I would expect
> for this approach. But I have noticed also that a similar SmPL script
> can work as expected (if a function like “unpin_extent_cache” was not marked
> as “static”?).
The following SmPL script variant does also not work
