can: tcan4x5x: tcan4x5x_can_probe(): add missing error handling if mcan_class is...

This patch adds the missing error handling in tcan4x5x_can_probe() if
mcan_class is NULL.

Fixes: 5443c226ba91 ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
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 a2d5e501a5029177146ac1a1e04eafc1c0c06efc..7a73a4cfc1bbe093aa9c2acac39549280468615c 100644 (file)
--- a/drivers/net/can/m_can/tcan4x5x.c
+++ b/drivers/net/can/m_can/tcan4x5x.c
@@ -414,6 +414,9 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
        int freq, ret;
 
        mcan_class = m_can_class_allocate_dev(&spi->dev);
+       if (!mcan_class)
+               return -ENOMEM;
+
        priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;