linux-kernel - [PATCH] checkpatch: Allow comments in macros tested for single statements

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Date:	Thu, 08 Jan 2015 13:31:33 -0800
From:	Joe Perches <joe@...ches.com>
To:	Valdis.Kletnieks@...edu, Andrew Morton <akpm@...ux-foundation.org>
Cc:	shirish gajera <gajerashirish@...il.com>,
	kernelnewbies@...nelnewbies.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] checkpatch: Allow comments in macros tested for single
 statements

Convert all the comments to spaces before testing for
single statement macros.

Reported-by: Valdis Kletnieks <Valdis.Kletnieks@...edu>
Signed-off-by: Joe Perches <joe@...ches.com>
---
> It's interesting that the warning only popped on the one case where the
> "/* looping version */" is on a separate line, not on the #else line.
> 
> Am cc'ing Joe Perches for that question. Joe - to get you up to speed,
> checkpatch was run against drivers/staging/skein/skein_block.c, and it
> flagged one definition of the macro R256, but not the other one, or the
> two definitions each for R512 and R1024.  Any idea why?

Yup, that was it...

 scripts/checkpatch.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6afc24b..6ac355e 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4260,6 +4260,7 @@ sub process {
 			$ctx = $dstat;
 
 			$dstat =~ s/\\\n.//g;
+			$dstat =~ s/$;/ /g;
 
 			if ($dstat =~ /^\+\s*#\s*define\s+$Ident\s*${balanced_parens}\s*do\s*{(.*)\s*}\s*while\s*\(\s*0\s*\)\s*([;\s]*)\s*$/) {
 				my $stmts = $2;


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