From bc1e49df345cf9be38ba29ead45a12f86ceb5fe2 Mon Sep 17 00:00:00 2001
From: Insu Yun <wuninsu@gmail.com>
Date: Thu, 15 Oct 2015 12:19:30 -0400
Subject: ACPI / sysfs: correctly check failing memory allocation
Since kobject_create_and_add() can fail under memory pressure,
its return value needs to be checked against NULL before passing
it to sysfs_create_file().
Signed-off-by: Insu Yun <wuninsu@gmail.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
drivers/acpi/sysfs.c | 3 +++
1 file changed, 3 insertions(+)
(limited to 'drivers/acpi')
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 40a42655227c..0243d375c6fd 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -878,6 +878,9 @@ int __init acpi_sysfs_init(void)
return result;
hotplug_kobj = kobject_create_and_add("hotplug", acpi_kobj);
+ if (!hotplug_kobj)
+ return -ENOMEM;
+
result = sysfs_create_file(hotplug_kobj, &force_remove_attr.attr);
if (result)
return result;
--
cgit v1.2.3