The BIOS can choose to return no event data in response to a WMI event, so the ACPI object passed to the WMI notify handler can be NULL. Check for such a situation and ignore the event in such a case. Signed-off-by: Armin Wolf <W_Armin@xxxxxx> --- drivers/hwmon/hp-wmi-sensors.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hwmon/hp-wmi-sensors.c b/drivers/hwmon/hp-wmi-sensors.c index 6892518d537c..d6bdad26feb1 100644 --- a/drivers/hwmon/hp-wmi-sensors.c +++ b/drivers/hwmon/hp-wmi-sensors.c @@ -1628,6 +1628,9 @@ static void hp_wmi_notify(union acpi_object *wobj, void *context) * HPBIOS_BIOSEvent instance. */ + if (!wobj) + return; + mutex_lock(&state->lock); err = populate_event_from_wobj(dev, &event, wobj); -- 2.39.2
