From 7fbda1306542d89984547faf6bfce584e182a541 Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Mon, 19 Aug 2019 19:34:28 +0200 Subject: can: tcan4x5x: tcan4x5x_can_probe(): add missing error handling if mcan_class is NULL 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 --- drivers/net/can/m_can/tcan4x5x.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/can/m_can') diff --git a/drivers/net/can/m_can/tcan4x5x.c b/drivers/net/can/m_can/tcan4x5x.c index a2d5e501a502..7a73a4cfc1bb 100644 --- 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; -- cgit v1.2.3-59-g8ed1b