[PATCH] x86-ksysfs: Use kmalloc_array() in create_setup_data_nodes()

From: SF Markus Elfring
Date: Sun Sep 04 2016 - 16:25:22 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 4 Sep 2016 22:15:09 +0200

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "kmalloc_array".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
arch/x86/kernel/ksysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c
index 4afc67f..cddf3c6 100644
--- a/arch/x86/kernel/ksysfs.c
+++ b/arch/x86/kernel/ksysfs.c
@@ -283,7 +283,7 @@ static int __init create_setup_data_nodes(struct kobject *parent)
if (ret)
goto out_setup_data_kobj;

- kobjp = kmalloc(sizeof(*kobjp) * nr, GFP_KERNEL);
+ kobjp = kmalloc_array(nr, sizeof(*kobjp), GFP_KERNEL);
if (!kobjp) {
ret = -ENOMEM;
goto out_setup_data_kobj;
--
2.9.3