From 172a3a82afd042b8cf43a0cd9720195985a46e3c Mon Sep 17 00:00:00 2001
From: Eric Nelson <eric.nelson@boundarydevices.com>
Date: Wed, 2 May 2012 20:32:18 -0700
Subject: [PATCH] checkpatch: add check for whitespace before semicolon at
 end-of-line

This tests for a bad habits of mine like this:

	return 0 ;

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
---
 tools/checkpatch.pl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/checkpatch.pl b/tools/checkpatch.pl
index 2048a449b5..c7475f9e33 100755
--- a/tools/checkpatch.pl
+++ b/tools/checkpatch.pl
@@ -3139,6 +3139,12 @@ sub process {
 			 "Statements terminations use 1 semicolon\n" . $herecurr);
 		}
 
+# check for whitespace before semicolon - not allowed at end-of-line
+		if ($line =~ /\s+;$/) {
+		    WARN("SPACEBEFORE_SEMICOLON",
+			 "Whitespace before semicolon\n" . $herecurr);
+		}
+
 # check for gcc specific __FUNCTION__
 		if ($line =~ /__FUNCTION__/) {
 			WARN("USE_FUNC",