From d527bb8bd577f511a6096036cd3f3840a607efff Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Fri, 3 Jan 2020 11:30:34 +0100 Subject: [PATCH] can: tcan4x5x: tcan4x5x_can_probe(): add missing error checking for devm_regmap_init() [ 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 Link: http://lore.kernel.org/r/20201019154233.1262589-7-mkl@pengutronix.de Signed-off-by: Marc Kleine-Budde Signed-off-by: Sasha Levin --- 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); -- 2.51.0