From: Marc Kleine-Budde <[email protected]>
[ Upstream commit 1ff203badbbf1738027c8395d5b40b0d462b6e4d ]
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 <[email protected]>
Link: http://lore.kernel.org/r/[email protected]
Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
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 b233756345f83..11c223a534887 100644
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -467,6 +467,10 @@ 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;
+ }
tcan4x5x_power_enable(priv->power, 1);
--
2.27.0
