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[NET]: unregister_netdevice as void

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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>
This commit is contained in:
Stephen Hemminger 2007-02-07 00:09:58 -08:00 committed by David S. Miller
parent f48d5ff1e4
commit 22f8cde5bc
6 changed files with 14 additions and 13 deletions
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2
include/linux/netdevice.h
View File

@ -589,7 +589,7 @@ extern int dev_open(struct net_device *dev);
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);

13
net/core/dev.c
View File

@ -3247,7 +3247,7 @@ void synchronize_net(void)
* 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 @@ int unregister_netdevice(struct net_device *dev)
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 @@ int unregister_netdevice(struct net_device *dev)
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 @@ int unregister_netdevice(struct net_device *dev)
synchronize_net();
dev_put(dev);
return 0;
}
/**

3
net/ipv4/ip_gre.c
View File

@ -1008,7 +1008,8 @@ ipgre_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
dev = t->dev;
}
err = unregister_netdevice(dev);
unregister_netdevice(dev);
err = 0;
break;
default:

3
net/ipv4/ipip.c
View File

@ -754,7 +754,8 @@ ipip_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
dev = t->dev;
}
err = unregister_netdevice(dev);
unregister_netdevice(dev);
err = 0;
break;
default:

3
net/ipv6/ip6_tunnel.c
View File

@ -999,7 +999,8 @@ ip6ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
break;
dev = t->dev;
}
err = unregister_netdevice(dev);
err = 0;
unregister_netdevice(dev);
break;
default:
err = -EINVAL;

3
net/ipv6/sit.c
View File

@ -686,7 +686,8 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
dev = t->dev;
}
err = unregister_netdevice(dev);
unregister_netdevice(dev);
err = 0;
break;
default: