This function call can fail, check for that. Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> --- drivers/acpi/battery.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index da3a879d638a..677618eb38bf 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -1235,7 +1235,9 @@ static int acpi_battery_add(struct acpi_device *device) device->status.battery_present ? "present" : "absent"); battery->pm_nb.notifier_call = battery_notify; - register_pm_notifier(&battery->pm_nb); + result = register_pm_notifier(&battery->pm_nb); + if (result) + goto fail; device_init_wakeup(&device->dev, 1); -- 2.46.0
