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| NETDEV_MASTER_UPPER_(9) | Network device support | NETDEV_MASTER_UPPER_(9) |
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¶
struct net_device * 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.
COPYRIGHT¶
| June 2017 | Kernel Hackers Manual 4.11 |