[PATCH] Coccinelle: kmerr: increase check list

From: Claudiu Beznea
Date: Tue May 30 2023 - 03:43:08 EST


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@xxxxxxxxxxxxx>
---
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