From: Marc Kleine-Budde mkl@pengutronix.de
[ 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 dmurphy@ti.com Link: http://lore.kernel.org/r/20201019154233.1262589-7-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de Signed-off-by: Sasha Levin sashal@kernel.org --- 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);