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dev: set iflink to 0 for virtual interfaces

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Virtual interfaces are supposed to set an iflink value != of their ifindex.
It was not the case for some of them, like vxlan, bond or bridge.
Let's set iflink to 0 when dev->rtnl_link_ops is set.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2015-04-02 17:07:10 +02:00 committed by David S. Miller
parent 7a66bbc96c
commit e1622baf54
1 changed files with 4 additions and 0 deletions
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4
net/core/dev.c
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@ -672,6 +672,10 @@ int dev_get_iflink(const struct net_device *dev)
if (dev->netdev_ops && dev->netdev_ops->ndo_get_iflink)
return dev->netdev_ops->ndo_get_iflink(dev);
/* If dev->rtnl_link_ops is set, it's a virtual interface. */
if (dev->rtnl_link_ops)
return 0;
return dev->ifindex;
}
EXPORT_SYMBOL(dev_get_iflink);