linux-kernel - [PATCH 03/12] checkpatch: Warn when networking block comment lines don't start with *

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Message-Id: <3abbc63b78a1eb970695f98a6239a1081a2cebb2.1370902448.git.joe@perches.com>
Date:	Mon, 10 Jun 2013 15:20:41 -0700
From:	Joe Perches <joe@...ches.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Andy Whitcroft <apw@...onical.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 03/12] checkpatch: Warn when networking block comment lines don't start with *

Some block comments in network are written as:

	/* block comment line 1
	   block comment line 2
	 */

Emit a warning on the "block comment line 2" because it should be

	/* block comment line 1
	 * block comment line 2
	 */

This warning is only emitted on the second line of a block comment.

Signed-off-by: Joe Perches <joe@...ches.com>
---
 scripts/checkpatch.pl | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a3922d0..576139a 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1898,6 +1898,14 @@ sub process {
 		}
 
 		if ($realfile =~ m@^(drivers/net/|net/)@ &&
+		    $prevrawline =~ /^\+[ \t]*\/\*/ &&		#starting /*
+		    $prevrawline !~ /\*\/[ \t]*$/ &&		#no trailing */
+		    $rawline !~ /^\+[ \t]*\*/) {		#no leading *
+			WARN("NETWORKING_BLOCK_COMMENT_STYLE",
+			     "networking block comments start with * on subsequent lines\n" . $hereprev);
+		}
+
+		if ($realfile =~ m@^(drivers/net/|net/)@ &&
 		    $rawline !~ m@^\+[ \t]*\*/[ \t]*$@ &&	#trailing */
 		    $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ &&	#inline /*...*/
 		    $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ &&	#trailing **/
-- 
1.8.1.2.459.gbcd45b4.dirty

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