Fix inconsistent IS_ERR and PTR_ERR in tcan4x5x_parse_config().
The proper pointer to be passed as argument is tcan4x5x->device_wake_gpio.
This bug was detected with the help of Coccinelle.
Fixes: 2de497356955 ("can: tcan45x: Make wake-up GPIO an optional GPIO")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
        tcan4x5x->device_wake_gpio = devm_gpiod_get(cdev->dev, "device-wake",
                                                    GPIOD_OUT_HIGH);
        if (IS_ERR(tcan4x5x->device_wake_gpio)) {
-               if (PTR_ERR(tcan4x5x->power) == -EPROBE_DEFER)
+               if (PTR_ERR(tcan4x5x->device_wake_gpio) == -EPROBE_DEFER)
                        return -EPROBE_DEFER;
 
                tcan4x5x_disable_wake(cdev);