linux-kernel - [PATCH 01/18] checkpatch: improve the STORAGE

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Date:   Wed,  5 Jul 2017 13:02:10 -0700
From:   Joe Perches <joe@...ches.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Whitcroft <apw@...onical.com>
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 01/18] checkpatch: improve the STORAGE_CLASS test

Make sure static, extern, and asmlinkage appear before a specific type.

e.g.:
	int asmlinkage foo(void)
is better written
       asmlinkage int foo(void)

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 43171ed88115..e903028f6557 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5576,10 +5576,18 @@ sub process {
 			    "architecture specific defines should be avoided\n" .  $herecurr);
 		}
 
+# check that the storage class is not after a type
+		if ($line =~ /\b($Type)\s+($Storage)\b/) {
+			WARN("STORAGE_CLASS",
+			     "storage class '$2' should be located before type '$1'\n" . $herecurr);
+		}
 # Check that the storage class is at the beginning of a declaration
-		if ($line =~ /\b$Storage\b/ && $line !~ /^.\s*$Storage\b/) {
+		if ($line =~ /\b$Storage\b/ &&
+		    $line !~ /^.\s*$Storage/ &&
+		    $line =~ /^.\s*(.+?)\$Storage\s/ &&
+		    $1 !~ /[\,\)]\s*$/) {
 			WARN("STORAGE_CLASS",
-			     "storage class should be at the beginning of the declaration\n" . $herecurr)
+			     "storage class should be at the beginning of the declaration\n" . $herecurr);
 		}
 
 # check the location of the inline attribute, that it is between
-- 
2.10.0.rc2.1.g053435c