net: fix net_device refcounting (9861f720) · Commits · 戴 / test

net/core/net-sysfs.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -1481,6 +1481,15 @@ static int of_dev_node_match(struct device dev, const void data)
		return ret == 0 ? dev->of_node == data : ret;
		}

		/*
		* of_find_net_device_by_node - lookup the net device for the device node
		* @np: OF device node
		*
		* Looks up the net_device structure corresponding with the device node.
		* If successful, returns a pointer to the net_device with the embedded
		* struct device refcount incremented by one, or NULL on failure. The
		* refcount must be dropped when done with the net_device.
		*/
		struct net_device of_find_net_device_by_node(struct device_node np)
		{
		struct device *dev;

+4 −1

Original line number	Diff line number	Diff line
		@@ -679,7 +679,7 @@ static int dsa_of_probe(struct device *dev)
		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
		if (!pd) {
		ret = -ENOMEM;
		goto out_put_mdio;
		goto out_put_ethernet;
		}

		dev->platform_data = pd;
		@@ -773,6 +773,8 @@ out_free_chip:
		out_free:
		kfree(pd);
		dev->platform_data = NULL;
		out_put_ethernet:
		put_device(&ethernet_dev->dev);
		out_put_mdio:
		put_device(&mdio_bus->dev);
		return ret;
		@@ -786,6 +788,7 @@ static void dsa_of_remove(struct device *dev)
		return;

		dsa_of_free_platform_data(pd);
		put_device(&pd->of_netdev->dev);
		kfree(pd);
		}
		#else