centos man page for dev_hold

DEV_HOLD(9)						      Network device support						       DEV_HOLD(9)

NAME
       dev_hold - get reference to device

SYNOPSIS
       void dev_hold(struct net_device * dev);

ARGUMENTS
       dev
	   network device

DESCRIPTION
       Hold reference to device to keep it from being freed.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       DEV_HOLD(9)