6.6-stable review patch. If anyone has any objections, please let me know.
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From: Armin Wolf W_Armin@gmx.de
[ Upstream commit a54da9df75cd1b4b5028f6c60f9a211532680585 ]
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.
Fixes: 23902f98f8d4 ("hwmon: add HP WMI Sensors driver") Signed-off-by: Armin Wolf W_Armin@gmx.de Reviewed-by: Ilpo Järvinen ilpo.jarvinen@linux.intel.com Message-ID: 20240901031055.3030-2-W_Armin@gmx.de Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/hwmon/hp-wmi-sensors.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/hwmon/hp-wmi-sensors.c b/drivers/hwmon/hp-wmi-sensors.c index b5325d0e72b9..dfa1d6926dea 100644 --- a/drivers/hwmon/hp-wmi-sensors.c +++ b/drivers/hwmon/hp-wmi-sensors.c @@ -1637,6 +1637,8 @@ static void hp_wmi_notify(u32 value, void *context) goto out_unlock;
wobj = out.pointer; + if (!wobj) + goto out_unlock;
err = populate_event_from_wobj(dev, &event, wobj); if (err) {