Commit e1622baf authored Apr 02, 2015 by Nicolas Dichtel Committed by David S. Miller Apr 02, 2015

dev: set iflink to 0 for virtual interfaces



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>

parent 7a66bbc9

net/core/dev.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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);