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can: m_can: m_can_class_free_dev(): introduce new function

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This patch creates a common function that peripherials can call to free the
netdev device when failures occur.

Fixes: f524f829b7 ("can: m_can: Create a m_can platform framework")
Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Link: http://lore.kernel.org/r/20200227183829.21854-2-dmurphy@ti.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Dan Murphy 2020-02-27 12:38:29 -06:00 committed by Marc Kleine-Budde
parent cd0d83eab2
commit a8c22f5b0c
2 changed files with 7 additions and 0 deletions
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6
drivers/net/can/m_can/m_can.c
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@ -1812,6 +1812,12 @@ out:
} }
EXPORT_SYMBOL_GPL(m_can_class_allocate_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 m_can_class_register(struct m_can_classdev *m_can_dev)
{ {
int ret; int ret;

1
drivers/net/can/m_can/m_can.h
View File

@ -99,6 +99,7 @@ struct m_can_classdev {
}; };
struct m_can_classdev *m_can_class_allocate_dev(struct device *dev); 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); int m_can_class_register(struct m_can_classdev *cdev);
void m_can_class_unregister(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); int m_can_class_get_clocks(struct m_can_classdev *cdev);