linux-kernel - [PATCH] checkpatch: support function pointers for unnamed function definition arguments

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Message-ID: <1505358082-12997-1-git-send-email-miles.chen@mediatek.com>
Date:   Thu, 14 Sep 2017 11:01:22 +0800
From:   Miles Chen <miles.chen@...iatek.com>
To:     Andy Whitcroft <apw@...onical.com>, Joe Perches <joe@...ches.com>
CC:     <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
        <linux-mediatek@...ts.infradead.org>,
        Miles Chen <miles.chen@...iatek.com>
Subject: [PATCH] checkpatch: support function pointers for unnamed function definition arguments

Current unnamed function definition argument does not include function
pointer cases and it reports warnings like:

WARNING: function definition argument 'void' should also have an identifier name
+unsigned int (*dummy)(void);

Support function pointers for unnamed function arguments.

Signed-off-by: Miles Chen <miles.chen@...iatek.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index dd2c262..dc6da15 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5957,7 +5957,7 @@ sub process {
 
 # check for function declarations that have arguments without identifier names
 		if (defined $stat &&
-		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*$Ident\s*\(\s*([^{]+)\s*\)\s*;/s &&
+		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*\(?\s*\*?\s*$Ident\s*\)\s*\(\s*([^{]+)\s*\)\s*;/s &&
 		    $1 ne "void") {
 			my $args = trim($1);
 			while ($args =~ m/\s*($Type\s*(?:$Ident|\(\s*\*\s*$Ident?\s*\)\s*$balanced_parens)?)/g) {
-- 
1.9.1