From: Dan Murphy <dmurphy@xxxxxx> This patch creates a common function that peripherials can call to free the netdev device when failures occur. Fixes: d42f4e1d06d9 ("can: m_can: Create a m_can platform framework") Reported-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> Signed-off-by: Dan Murphy <dmurphy@xxxxxx> Link: http://lore.kernel.org/r/20200227183829.21854-2-dmurphy@xxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/m_can/m_can.c | 6 ++++++ drivers/net/can/m_can/m_can.h | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 63887e23d89c..f2c87b76e569 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1812,6 +1812,12 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev) } EXPORT_SYMBOL_GPL(m_can_class_allocate_dev); +void m_can_class_free_dev(struct net_device *net) +{ + free_candev(net); +} +EXPORT_SYMBOL_GPL(m_can_class_free_dev); + int m_can_class_register(struct m_can_classdev *m_can_dev) { int ret; diff --git a/drivers/net/can/m_can/m_can.h b/drivers/net/can/m_can/m_can.h index 49f42b50627a..b2699a7c9997 100644 --- a/drivers/net/can/m_can/m_can.h +++ b/drivers/net/can/m_can/m_can.h @@ -99,6 +99,7 @@ struct m_can_classdev { }; struct m_can_classdev *m_can_class_allocate_dev(struct device *dev); +void m_can_class_free_dev(struct net_device *net); int m_can_class_register(struct m_can_classdev *cdev); void m_can_class_unregister(struct m_can_classdev *cdev); int m_can_class_get_clocks(struct m_can_classdev *cdev); -- 2.29.2