centos man page for netdev_upper_dev_unlink

NETDEV_UPPER_DEV_UNL(9) 				      Network device support					   NETDEV_UPPER_DEV_UNL(9)

NAME
       netdev_upper_dev_unlink - Removes a link to upper device

SYNOPSIS
       void netdev_upper_dev_unlink(struct net_device * dev, struct net_device * upper_dev);

ARGUMENTS
       dev
	   device

       upper_dev
	   new upper device

DESCRIPTION
       Removes a link to device which is upper to this one. The caller must hold the RTNL lock.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   NETDEV_UPPER_DEV_UNL(9)