From: Andy Whitcroft <apw@shadowen.org>
Date: Thu, 16 Oct 2008 05:02:25 +0000 (-0700)
Subject: checkpatch: suppress errors triggered by short patch
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=dea33496ddc2bf1a50e9def87b4ef14709d8cb6d;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

checkpatch: suppress errors triggered by short patch

When the last hunk of a patch is short it will trigger errors from
checkpatch:

    Use of uninitialized value in pattern match (m//)
	    at /usr/local/bin/checkpatch.pl line 394.
    Use of uninitialized value in concatenation (.) or string
	    at /usr/local/bin/checkpatch.pl line 397.
    Use of uninitialized value in pattern match (m//)

Avoid touching beyond the last line.  Reported by Julien Brunel.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Cc: Julien Brunel <brunel@diku.dk>
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 457f87460d6e..5382f7287397 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -408,6 +408,7 @@ sub ctx_statement_block {
 		# context.
 		if ($off >= $len) {
 			for (; $remain > 0; $line++) {
+				last if (!defined $lines[$line]);
 				next if ($lines[$line] =~ /^-/);
 				$remain--;
 				$loff = $len;