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

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

Fixes: 5443c226ba ("can: tcan4x5x: Add tcan4x5x driver to the kernel")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Marc Kleine-Budde 2019-08-19 19:34:28 +02:00
parent ad07819f22
commit 7fbda13065
1 changed files with 3 additions and 0 deletions
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3
drivers/net/can/m_can/tcan4x5x.c
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@ -414,6 +414,9 @@ static int tcan4x5x_can_probe(struct spi_device *spi)
int freq, ret; int freq, ret;
mcan_class = m_can_class_allocate_dev(&spi->dev); mcan_class = m_can_class_allocate_dev(&spi->dev);
if (!mcan_class)
return -ENOMEM;
priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL); priv = devm_kzalloc(&spi->dev, sizeof(*priv), GFP_KERNEL);
if (!priv) if (!priv)
return -ENOMEM; return -ENOMEM;