diff options
| author | Armin Wolf <W_Armin@gmx.de> | 2024-09-01 05:10:51 +0200 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2024-09-02 07:23:35 -0700 |
| commit | a54da9df75cd1b4b5028f6c60f9a211532680585 (patch) | |
| tree | c2e7e25f5d6e923083f94947d82f0fb4d0f1148e /drivers/hwmon | |
| parent | 6a422a96bc84cf9b9f0ff741f293a1f9059e0883 (diff) | |
| download | linux-a54da9df75cd1b4b5028f6c60f9a211532680585.tar.gz linux-a54da9df75cd1b4b5028f6c60f9a211532680585.tar.bz2 linux-a54da9df75cd1b4b5028f6c60f9a211532680585.zip | |
hwmon: (hp-wmi-sensors) Check if WMI event data exists
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>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/hp-wmi-sensors.c | 2 |
1 files changed, 2 insertions, 0 deletions
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) { |