netdev_master_upper_dev_get_rcu (9) - Linux Manuals
netdev_master_upper_dev_get_rcu: Get master upper device
NAME
netdev_master_upper_dev_get_rcu - Get master upper device
SYNOPSIS
-
struct net_device * netdev_master_upper_dev_get_rcu(struct net_device
* dev);
ARGUMENTS
dev
-
- device
DESCRIPTION
Find a master upper device and return pointer to it or NULL in case it's not there. The caller must hold the RCU read lock.
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