centos man page for input_allocate_device

INPUT_ALLOCATE_DEVIC(9) 					  Input Subsystem					   INPUT_ALLOCATE_DEVIC(9)

NAME
       input_allocate_device - allocate memory for new input device

SYNOPSIS
       struct input_dev * input_allocate_device(void);

ARGUMENTS
       void
	   no arguments

DESCRIPTION
       Returns prepared struct input_dev or NULL.

NOTE
       Use input_free_device to free devices that have not been registered; input_unregister_device should be used for already registered devices.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   INPUT_ALLOCATE_DEVIC(9)