[net 10/15] can: tcan4x5x: tcan4x5x_can_probe(): add missing error checking for devm_regmap_init()

[Marc Kleine-Budde]

This patch adds the missing error checking when initializing the regmap
interface fails.

Fixes: 5443c226ba91 ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
Cc: Dan Murphy <dmur...@ti.com>
Link: http://lore.kernel.org/r/20201019154233.1262589-7-...@pengutronix.de
Signed-off-by: Marc Kleine-Budde <m...@pengutronix.de>
---
 drivers/net/can/m_can/tcan4x5x.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c
index eacd428e07e9..f058bd9104e9 100644
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -487,6 +487,10 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
 
        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;
+       }
 
        ret = tcan4x5x_power_enable(priv->power, 1);
        if (ret)
-- 
2.29.2