SYNOPSIS
- bool netdev_has_upper_dev(struct net_device * dev, struct net_device * upper_dev);
ARGUMENTS
dev
-
- device
upper_dev
- upper device to check
DESCRIPTION
Find out if a device is linked to specified upper device and return true in case it is. Note that this checks only immediate upper device, not through a complete stack of devices. The caller must hold the RTNL lock.
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