Commit bc1e49df authored Oct 15, 2015 by Insu Yun Committed by Rafael J. Wysocki Oct 26, 2015

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>

parent f934c745

drivers/acpi/sysfs.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;