linux-kernel - [PATCH] checkpatch: Add optional static const to blank line declarations test

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Date:   Mon, 27 Aug 2018 09:15:20 -0700
From:   Joe Perches <joe@...ches.com>
To:     Jyri Sarha <jsarha@...com>, apw@...onical.com,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     "Valkeinen, Tomi" <tomi.valkeinen@...com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] checkpatch: Add optional static const to blank line
 declarations test

Using a static const struct definition as part of
a series of declarations produces a false positive
"Missing a blank line after declarations" for code like:

WARNING: Missing a blank line after declarations
#710: FILE: drivers/gpu/drm/tidss/tidss_scale_coefs.c:137:
+       int inc;
+       static const struct {

So fix it.

Reported-by: Jyri Sarha <jsarha@...com>
Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 5219280bf7ff..b4caee6e269c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3311,7 +3311,7 @@ sub process {
 			# known declaration macros
 		      $sline =~ /^\+\s+$declaration_macros/ ||
 			# start of struct or union or enum
-		      $sline =~ /^\+\s+(?:union|struct|enum|typedef)\b/ ||
+		      $sline =~ /^\+\s+(?:static\s+)?(?:const\s+)?(?:union|struct|enum|typedef)\b/ ||
 			# start or end of block or continuation of declaration
 		      $sline =~ /^\+\s+(?:$|[\{\}\.\#\"\?\:\(\[])/ ||
 			# bitfield continuation