From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Fri, 7 May 2021 01:04:01 +0000 (-0700)
Subject: checkpatch: improve ALLOC_ARRAY_ARGS test
X-Git-Tag: v5.15~1165^2~52
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7e6cdd7fd94380a3b87b2ce087903b3722b3d0d6;p=platform%2Fkernel%2Flinux-starfive.git

checkpatch: improve ALLOC_ARRAY_ARGS test

The devm_ variant of 'kcalloc()' and 'kmalloc_array()' are not tested
Add the corresponding check.

Link: https://lkml.kernel.org/r/205fc4847972fb6779abcc8818f39c14d1b45af1.1618595794.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Joe Perches <joe@perches.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 44b9dc3..23697a6 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -7006,7 +7006,7 @@ sub process {
 		}
 
 # check for alloc argument mismatch
-		if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) {
+		if ($line =~ /\b((?:devm_)?(?:kcalloc|kmalloc_array))\s*\(\s*sizeof\b/) {
 			WARN("ALLOC_ARRAY_ARGS",
 			     "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
 		}