linux-kernel - [PATCH 13/23] checkpatch: toughen trailing if statement checks and extend them to while and for

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Date:	Thu, 12 Jun 2008 13:05:52 +0100
From:	Andy Whitcroft <apw@...dowen.org>
To:	Andrew Morton <akpm@...l.org>
Cc:	Randy Dunlap <rdunlap@...otime.net>,
	Joel Schopp <jschopp@...tin.ibm.com>,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andy Whitcroft <apw@...dowen.org>
Subject: [PATCH 13/23] checkpatch: toughen trailing if statement checks and extend them to while and for

Extend the trailing statement checks to report a trailing semi-colon ';'
as we really want it on the next line and indented so it is really really
obvious.  Also extend the tests to include while and for.

Signed-off-by: Andy Whitcroft <apw@...dowen.org>
---
 scripts/checkpatch.pl |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index e7c8ab1..8616bae 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1269,8 +1269,8 @@ sub process {
 				$ctx_ln++;
 			}
 
-			##print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n";
-			##print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
+			#print "realcnt<$realcnt> ctx_cnt<$ctx_cnt>\n";
+			#print "pre<$pre_ctx>\nline<$line>\nctx<$ctx>\nnext<$lines[$ctx_ln - 1]>\n";
 
 			if ($ctx !~ /{\s*/ && defined($lines[$ctx_ln -1]) && $lines[$ctx_ln - 1] =~ /^\+\s*{/) {
 				ERROR("that open brace { should be on the previous line\n" .
@@ -1713,7 +1713,7 @@ sub process {
 		}
 
 # Check for illegal assignment in if conditional.
-		if ($line =~ /\bif\s*\(/) {
+		if ($line =~ /\b(?:if|while|for)\s*\(/ && $line !~ /^.\s*#/) {
 			my ($s, $c) = ($stat, $cond);
 
 			if ($c =~ /\bif\s*\(.*[^<>!=]=[^=].*/) {
@@ -1725,8 +1725,8 @@ sub process {
 			substr($s, 0, length($c), '');
 			$s =~ s/\n.*//g;
 			$s =~ s/$;//g; 	# Remove any comments
-			if (length($c) && $s !~ /^\s*({|;|)\s*\\*\s*$/ &&
-			    $c !~ /^.\s*\#\s*if/)
+			if (length($c) && $s !~ /^\s*{?\s*\\*\s*$/ &&
+			    $c !~ /}\s*while\s*/)
 			{
 				ERROR("trailing statements should be on next line\n" . $herecurr);
 			}
-- 
1.5.6.rc0.140.ga9675

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