[NET]: unregister_netdevice as void
There was no real useful information from the unregister_netdevice() return code, the only error occurred in a situation that was a driver bug. So change it to a void function. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -589,7 +589,7 @@ extern int dev_open(struct net_device *dev);
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extern int dev_close(struct net_device *dev);
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extern int dev_queue_xmit(struct sk_buff *skb);
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extern int register_netdevice(struct net_device *dev);
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extern int unregister_netdevice(struct net_device *dev);
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extern void unregister_netdevice(struct net_device *dev);
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extern void free_netdev(struct net_device *dev);
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extern void synchronize_net(void);
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extern int register_netdevice_notifier(struct notifier_block *nb);
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@ -3247,7 +3247,7 @@ void synchronize_net(void)
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* unregister_netdev() instead of this.
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*/
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int unregister_netdevice(struct net_device *dev)
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void unregister_netdevice(struct net_device *dev)
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{
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struct net_device *d, **dp;
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@ -3258,7 +3258,9 @@ int unregister_netdevice(struct net_device *dev)
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if (dev->reg_state == NETREG_UNINITIALIZED) {
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printk(KERN_DEBUG "unregister_netdevice: device %s/%p never "
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"was registered\n", dev->name, dev);
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return -ENODEV;
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WARN_ON(1);
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return;
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}
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BUG_ON(dev->reg_state != NETREG_REGISTERED);
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@ -3280,11 +3282,7 @@ int unregister_netdevice(struct net_device *dev)
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break;
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}
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}
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if (!d) {
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printk(KERN_ERR "unregister net_device: '%s' not found\n",
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dev->name);
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return -ENODEV;
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}
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BUG_ON(!d);
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dev->reg_state = NETREG_UNREGISTERING;
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@ -3316,7 +3314,6 @@ int unregister_netdevice(struct net_device *dev)
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synchronize_net();
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dev_put(dev);
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return 0;
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}
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/**
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@ -1008,7 +1008,8 @@ ipgre_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
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goto done;
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dev = t->dev;
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}
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err = unregister_netdevice(dev);
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unregister_netdevice(dev);
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err = 0;
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break;
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default:
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@ -754,7 +754,8 @@ ipip_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
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goto done;
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dev = t->dev;
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}
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err = unregister_netdevice(dev);
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unregister_netdevice(dev);
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err = 0;
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break;
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default:
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@ -999,7 +999,8 @@ ip6ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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break;
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dev = t->dev;
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}
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err = unregister_netdevice(dev);
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err = 0;
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unregister_netdevice(dev);
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break;
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default:
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err = -EINVAL;
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@ -686,7 +686,8 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
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goto done;
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dev = t->dev;
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}
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err = unregister_netdevice(dev);
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unregister_netdevice(dev);
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err = 0;
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break;
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default:
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