netdev_all_upper_get_next_dev_rcu
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## Name

netdev_all_upper_get_next_dev_rcu — Get the next dev from upper list

## Synopsis

`struct net_device * netdev_all_upper_get_next_dev_rcu (` | struct net_device * dev,
| struct list_head ** iter`)`;

## Arguments

`dev`

  device

`iter`

  list_head ** of the current position

## Description

Gets the next device from the dev's upper list, starting from iter position. The caller must hold RCU read lock.

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