Re: [PATCH RESEND v6 2/2] scripts: checkpatch: check unused parameters for function-like macro

[Barry Song]

>> From: Xining Xu <mac....@outlook.com>
>> 
>> If function-like macros do not utilize a parameter, it might result in a
>> build warning.  In our coding style guidelines, we advocate for utilizing
>> static inline functions to replace such macros.  This patch verifies
>> compliance with the new rule.
> []
>> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
>> @@ -6040,6 +6040,12 @@ sub process {
>>                                      CHK("MACRO_ARG_PRECEDENCE",
>>                                          "Macro argument '$arg' may be 
>> better as '($arg)' to avoid precedence issues\n" . "$herectx");
>>                              }
>> +
>> +# check if this is an unused argument
>> +                            if ($define_stmt !~ /\b$arg\b/) {
>> +                                    WARN("MACRO_ARG_UNUSED",
>> +                                            "Argument '$arg' is not used in 
>> function-like macro\n" . "$herectx");
> 
> trivia:  This should be aligned to the open parenthesis.
> 

Hi Joe,
I assume you mean the below?

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 9895d7e38a9f..2b812210b412 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -6044,7 +6044,7 @@ sub process {
 # check if this is an unused argument
                                if ($define_stmt !~ /\b$arg\b/) {
                                        WARN("MACRO_ARG_UNUSED",
-                                               "Argument '$arg' is not used in 
function-like macro\n" . "$herectx");
+                                            "Argument '$arg' is not used in 
function-like macro\n" . "$herectx");
                                }
                        }
> Otherwise:
> Acked-by: Joe Perches <j...@perches.com>

Thanks!

-Barry