linux-kernel - [PATCH] Coccinelle: kmerr: increase check list

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Message-ID: <20230530074044.1603426-1-claudiu.beznea@microchip.com>
Date:   Tue, 30 May 2023 10:40:44 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <Julia.Lawall@...ia.fr>, <nicolas.palix@...g.fr>
CC:     <cocci@...ia.fr>, <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH] Coccinelle: kmerr: increase check list

There are other functions allocating memory who's return value could
be NULL in case allocation fails. Update the list with these.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 scripts/coccinelle/null/kmerr.cocci | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scripts/coccinelle/null/kmerr.cocci b/scripts/coccinelle/null/kmerr.cocci
index 68db20de62eb..db1387f1938a 100644
--- a/scripts/coccinelle/null/kmerr.cocci
+++ b/scripts/coccinelle/null/kmerr.cocci
@@ -35,7 +35,7 @@ position any withtest.p;
 identifier f;
 @@
 
-*x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
+*x@p1 = \(kmalloc\|devm_kmalloc\|kmalloc_array\|devm_kmalloc_array\|krealloc_array\|kzalloc\|devm_kzalloc\|kcalloc\|devm_kcalloc\|kasprintf\|devm_kasprintf\|kstrdup\|kstrdup_const\)(...);
 ...
 *x1@p = f(...);
 if (!x1) S
@@ -51,7 +51,7 @@ position any withtest.p;
 identifier f;
 @@
 
-x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
+x@p1 = \(kmalloc\|devm_kmalloc\|kmalloc_array\|devm_kmalloc_array\|krealloc_array\|kzalloc\|devm_kzalloc\|kcalloc\|devm_kcalloc\|kasprintf\|devm_kasprintf\|kstrdup\|kstrdup_const\)(...);
 ...
 x1@p = f@p2(...);
 if (!x1) S
-- 
2.34.1