net: fix a leak in register_netdevice() (42c17fa6) · Commits · 戴 / test

We have to free "dev->name_node" on this error path. Fixes: ("net: introduce name_node struct to be used in hashlist") Reported-by:

net/core/dev.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -9246,7 +9246,7 @@ int register_netdevice(struct net_device *dev)
		if (ret) {
		if (ret > 0)
		ret = -EIO;
		goto out;
		goto err_free_name;
		}
		}

		@@ -9361,12 +9361,12 @@ out:
		return ret;

		err_uninit:
		if (dev->name_node)
		netdev_name_node_free(dev->name_node);
		if (dev->netdev_ops->ndo_uninit)
		dev->netdev_ops->ndo_uninit(dev);
		if (dev->priv_destructor)
		dev->priv_destructor(dev);
		err_free_name:
		netdev_name_node_free(dev->name_node);
		goto out;
		}
		EXPORT_SYMBOL(register_netdevice);