1. NAME

netdev_master_upper_dev_get_rcu - Get master upper device

2. SYNOPSIS

struct net_device * netdev_master_upper_dev_get_rcu(struct net_device *  dev );

3. ARGUMENTS

dev
    device

4. DESCRIPTION

Find a master upper device and return pointer to it or NULL in case itAqs not there. The caller must hold the RCU read lock.

5. COPYRIGHT