can: m_can: tcan4x5x_can_probe(): fix error path: remove erroneous clk_disable_unprep...

The clocks mcan_class->cclk and mcan_class->hclk are not prepared by any call
during tcan4x5x_can_probe(), so remove erroneous clk_disable_unprepare() on
them.

Fixes: 5443c226ba91 ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
Link: http://lore.kernel.org/r/20201130114252.215334-1-mkl@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index e5d7d85..7347ab3 100644 (file)
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -489,18 +489,18 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
        spi->bits_per_word = 32;
        ret = spi_setup(spi);
        if (ret)
-               goto out_clk;
+               goto out_m_can_class_free_dev;
 
        priv->regmap = devm_regmap_init(&spi->dev, &tcan4x5x_bus,
                                        &spi->dev, &tcan4x5x_regmap);
        if (IS_ERR(priv->regmap)) {
                ret = PTR_ERR(priv->regmap);
-               goto out_clk;
+               goto out_m_can_class_free_dev;
        }
 
        ret = tcan4x5x_power_enable(priv->power, 1);
        if (ret)
-               goto out_clk;
+               goto out_m_can_class_free_dev;
 
        ret = tcan4x5x_parse_config(mcan_class);
        if (ret)
@@ -519,11 +519,6 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
 
 out_power:
        tcan4x5x_power_enable(priv->power, 0);
-out_clk:
-       if (!IS_ERR(mcan_class->cclk)) {
-               clk_disable_unprepare(mcan_class->cclk);
-               clk_disable_unprepare(mcan_class->hclk);
-       }
  out_m_can_class_free_dev:
        m_can_class_free_dev(mcan_class->net);
        dev_err(&spi->dev, "Probe failed, err=%d\n", ret);