[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>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2e37f50..1a52854 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -589,7 +589,7 @@
extern int dev_close(struct net_device *dev);
extern int dev_queue_xmit(struct sk_buff *skb);
extern int register_netdevice(struct net_device *dev);
-extern int unregister_netdevice(struct net_device *dev);
+extern void unregister_netdevice(struct net_device *dev);
extern void free_netdev(struct net_device *dev);
extern void synchronize_net(void);
extern int register_netdevice_notifier(struct notifier_block *nb);
diff --git a/net/core/dev.c b/net/core/dev.c
index 455d589..1e94a1b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3247,7 +3247,7 @@
* unregister_netdev() instead of this.
*/
-int unregister_netdevice(struct net_device *dev)
+void unregister_netdevice(struct net_device *dev)
{
struct net_device *d, **dp;
@@ -3258,7 +3258,9 @@
if (dev->reg_state == NETREG_UNINITIALIZED) {
printk(KERN_DEBUG "unregister_netdevice: device %s/%p never "
"was registered\n", dev->name, dev);
- return -ENODEV;
+
+ WARN_ON(1);
+ return;
}
BUG_ON(dev->reg_state != NETREG_REGISTERED);
@@ -3280,11 +3282,7 @@
break;
}
}
- if (!d) {
- printk(KERN_ERR "unregister net_device: '%s' not found\n",
- dev->name);
- return -ENODEV;
- }
+ BUG_ON(!d);
dev->reg_state = NETREG_UNREGISTERING;
@@ -3316,7 +3314,6 @@
synchronize_net();
dev_put(dev);
- return 0;
}
/**
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 476cb60..51c8350 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -1008,7 +1008,8 @@
goto done;
dev = t->dev;
}
- err = unregister_netdevice(dev);
+ unregister_netdevice(dev);
+ err = 0;
break;
default:
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 9d719d6..da8bbd2 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -754,7 +754,8 @@
goto done;
dev = t->dev;
}
- err = unregister_netdevice(dev);
+ unregister_netdevice(dev);
+ err = 0;
break;
default:
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 8d91834..2b9e3bb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -999,7 +999,8 @@
break;
dev = t->dev;
}
- err = unregister_netdevice(dev);
+ err = 0;
+ unregister_netdevice(dev);
break;
default:
err = -EINVAL;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 77b7b09..47cfead 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -686,7 +686,8 @@
goto done;
dev = t->dev;
}
- err = unregister_netdevice(dev);
+ unregister_netdevice(dev);
+ err = 0;
break;
default:
