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| author | Insu Yun <wuninsu@gmail.com> | 2015-10-15 18:19:30 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-10-26 04:57:27 +0100 |
| commit | bc1e49df345cf9be38ba29ead45a12f86ceb5fe2 (patch) | |
| tree | ee949ea50dcb7c65f87789c0ec5b33de8b95c871 /drivers/acpi/sysfs.c | |
| parent | ACPI: change acpi_sleep_proc_init() to return void (diff) | |
| download | linux-bc1e49df345cf9be38ba29ead45a12f86ceb5fe2.tar.xz linux-bc1e49df345cf9be38ba29ead45a12f86ceb5fe2.zip | |
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>
Diffstat (limited to 'drivers/acpi/sysfs.c')
| -rw-r--r-- | drivers/acpi/sysfs.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |