1NETDEV_HAS_ANY_UPPER(9)     Network device support     NETDEV_HAS_ANY_UPPER(9)
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NAME

6       netdev_has_any_upper_dev - Check if device is linked to some device
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SYNOPSIS

9       bool netdev_has_any_upper_dev(struct net_device * dev);
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ARGUMENTS

12       dev
13           device
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DESCRIPTION

16       Find out if a device is linked to an upper device and return true in
17       case it is. The caller must hold the RTNL lock.
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20Kernel Hackers Manual 3.10         June 2019           NETDEV_HAS_ANY_UPPER(9)
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