From: Joe Perches <joe@perches.com>
Date: Tue, 18 Dec 2012 00:01:56 +0000 (-0800)
Subject: checkpatch: extend line continuation test
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=481eb486a88c9b068f0168ac4c21291802720933;p=deliverable%2Flinux.git

checkpatch: extend line continuation test

Preprocessor directives and asm statements should be allowed to have a
line continuation.

Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 6fa167758f82..3e9fee60642c 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3009,10 +3009,12 @@ sub process {
 				}
 			}
 
-# check for line continuations outside of #defines
+# check for line continuations outside of #defines, preprocessor #, and asm
 
 		} else {
 			if ($prevline !~ /^..*\\$/ &&
+			    $line !~ /^\+\s*\#.*\\$/ &&		# preprocessor
+			    $line !~ /^\+.*\b(__asm__|asm)\b.*\\$/ &&	# asm
 			    $line =~ /^\+.*\\$/) {
 				WARN("LINE_CONTINUATIONS",
 				     "Avoid unnecessary line continuations\n" . $herecurr);