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
In case thermal_zone_xxx_register() returns an error, priv->zone isn't NULL any more, but contains the error code. This is passed to thermal_zone_device_unregister(), then. This checks for priv->zone being NULL, but the error code is != NULL. So it works with the error code as a pointer. Crashing immediately. To fix this, reset priv->zone to NULL before entering rcar_gen3_thermal_remove(). Signed-off-by: Dirk Behme <dirk.behme@de.bosch.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Zhang Rui <rui.zhang@intel.com>