linux-kernel - [PATCH] checkpatch: Improve ALLOC_ARRAY

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Message-Id: <a1ac975aaabc9f71397b75254f833920428411e0.1618588673.git.christophe.jaillet@wanadoo.fr>
Date:   Fri, 16 Apr 2021 17:58:57 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     apw@...onical.com, joe@...ches.com, dwaipayanray1@...il.com,
        lukas.bulwahn@...il.com
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] checkpatch: Improve ALLOC_ARRAY_ARGS test

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

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 scripts/checkpatch.pl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 44b9dc330ac6..c778edfdbad7 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -7006,9 +7006,9 @@ 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);
+			     "$1$2 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
 		}
 
 # check for multiple semicolons
-- 
2.27.0