diff options
| author | Zhang Rui <rui.zhang@intel.com> | 2023-03-29 17:00:55 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-03-29 18:07:14 +0200 |
| commit | 4eb7c2f3a3d7cd6c50f391ac555b50c3fc5b3799 (patch) | |
| tree | 6601a3d1f71b734fd3629fdce28dc7ec8f0cce27 | |
| parent | 85b52122e5426e15602c0b979012e50d7271ea1a (diff) | |
thermal: thermal_hwmon: Fix a kernel NULL pointer dereference
When the hwmon device node of a thermal zone device is not found,
using hwmon->device causes a kernel NULL pointer dereference.
Fixes: dec07d399cc8 ("thermal: Don't use 'device' internal thermal zone structure field")
Reported-by: Preble Adam C <adam.c.preble@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/thermal/thermal_hwmon.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c index c59db17dddd6..261743f461be 100644 --- a/drivers/thermal/thermal_hwmon.c +++ b/drivers/thermal/thermal_hwmon.c @@ -229,7 +229,7 @@ void thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz) hwmon = thermal_hwmon_lookup_by_type(tz); if (unlikely(!hwmon)) { /* Should never happen... */ - dev_dbg(hwmon->device, "hwmon device lookup failed!\n"); + dev_dbg(&tz->device, "hwmon device lookup failed!\n"); return; } |