linux-kernel - [PATCH 1/1] scripts/checkpatch.pl: update kmalloc

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Date:	Fri, 27 Jun 2014 22:10:23 +0200
From:	Fabian Frederick <fabf@...net.be>
To:	linux-kernel@...r.kernel.org
Cc:	Fabian Frederick <fabf@...net.be>, "Theodore Ts'o" <tytso@....edu>,
	Joe Perches <joe@...ches.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 1/1] scripts/checkpatch.pl: update kmalloc_array/kcalloc conversion warning

Avoid automatic k[mz]alloc with multiplies conversions

Inspired-by: "Theodore Ts'o" <tytso@....edu>
Cc: "Theodore Ts'o" <tytso@....edu>
Cc: Joe Perches <joe@...ches.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 182be0f..cf58a7a 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -4427,7 +4427,7 @@ sub process {
 			$newfunc = "kcalloc" if ($oldfunc eq "kzalloc");
 			if ($a1 =~ /^sizeof\s*\S/ || $a2 =~ /^sizeof\s*\S/) {
 				if (WARN("ALLOC_WITH_MULTIPLY",
-					 "Prefer $newfunc over $oldfunc with multiply\n" . $herecurr) &&
+					 "Prefer $newfunc over $oldfunc with multiply when arguments are not fixed or come from unvalidated source\n" . $herecurr) &&
 				    $fix) {
 					my $r1 = $a1;
 					my $r2 = $a2;
-- 
1.8.4.5

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