Commit 2d56f3a3 authored by Philip Langdale's avatar Philip Langdale Committed by Dmitry Torokhov
Browse files

Input: refactor evdev 32bit compat to be shareable with uinput 



Currently, evdev has working 32bit compatibility and uinput does not. uinput
needs the input_event code that evdev uses, so let's refactor it so it can
be shared.

[dtor@mail.ru: add fix for force feedback compat issues]
Signed-off-by: default avatarPhilip Langdale <philipl@overt.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 49fdf678

drivers/input/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ 
# Each configuration option enables a list of files.



obj-$(CONFIG_INPUT)		+= input-core.o

input-core-objs := input.o ff-core.o

input-core-objs := input.o input-compat.o ff-core.o



obj-$(CONFIG_INPUT_FF_MEMLESS)	+= ff-memless.o

obj-$(CONFIG_INPUT_POLLDEV)	+= input-polldev.o

drivers/input/evdev.c

+8 −189
Original line number Diff line number Diff line
@@ -19,7 +19,7 @@ 
#include <linux/input.h>

#include <linux/major.h>

#include <linux/device.h>

#include <linux/compat.h>

#include "input-compat.h"



struct evdev {

	int exist;
@@ -291,187 +291,6 @@ static int evdev_open(struct inode *inode, struct file *file) 
	return error;

}



#ifdef CONFIG_COMPAT



struct input_event_compat {

	struct compat_timeval time;

	__u16 type;

	__u16 code;

	__s32 value;

};



struct ff_periodic_effect_compat {

	__u16 waveform;

	__u16 period;

	__s16 magnitude;

	__s16 offset;

	__u16 phase;



	struct ff_envelope envelope;



	__u32 custom_len;

	compat_uptr_t custom_data;

};



struct ff_effect_compat {

	__u16 type;

	__s16 id;

	__u16 direction;

	struct ff_trigger trigger;

	struct ff_replay replay;



	union {

		struct ff_constant_effect constant;

		struct ff_ramp_effect ramp;

		struct ff_periodic_effect_compat periodic;

		struct ff_condition_effect condition[2]; /* One for each axis */

		struct ff_rumble_effect rumble;

	} u;

};



/* Note to the author of this code: did it ever occur to

   you why the ifdefs are needed? Think about it again. -AK */

#ifdef CONFIG_X86_64

#  define COMPAT_TEST is_compat_task()

#elif defined(CONFIG_IA64)

#  define COMPAT_TEST IS_IA32_PROCESS(task_pt_regs(current))

#elif defined(CONFIG_S390)

#  define COMPAT_TEST test_thread_flag(TIF_31BIT)

#elif defined(CONFIG_MIPS)

#  define COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)

#else

#  define COMPAT_TEST test_thread_flag(TIF_32BIT)

#endif



static inline size_t evdev_event_size(void)

{

	return COMPAT_TEST ?

		sizeof(struct input_event_compat) : sizeof(struct input_event);

}



static int evdev_event_from_user(const char __user *buffer,

				 struct input_event *event)

{

	if (COMPAT_TEST) {

		struct input_event_compat compat_event;



		if (copy_from_user(&compat_event, buffer,

				   sizeof(struct input_event_compat)))

			return -EFAULT;



		event->time.tv_sec = compat_event.time.tv_sec;

		event->time.tv_usec = compat_event.time.tv_usec;

		event->type = compat_event.type;

		event->code = compat_event.code;

		event->value = compat_event.value;



	} else {

		if (copy_from_user(event, buffer, sizeof(struct input_event)))

			return -EFAULT;

	}



	return 0;

}



static int evdev_event_to_user(char __user *buffer,

				const struct input_event *event)

{

	if (COMPAT_TEST) {

		struct input_event_compat compat_event;



		compat_event.time.tv_sec = event->time.tv_sec;

		compat_event.time.tv_usec = event->time.tv_usec;

		compat_event.type = event->type;

		compat_event.code = event->code;

		compat_event.value = event->value;



		if (copy_to_user(buffer, &compat_event,

				 sizeof(struct input_event_compat)))

			return -EFAULT;



	} else {

		if (copy_to_user(buffer, event, sizeof(struct input_event)))

			return -EFAULT;

	}



	return 0;

}



static int evdev_ff_effect_from_user(const char __user *buffer, size_t size,

				     struct ff_effect *effect)

{

	if (COMPAT_TEST) {

		struct ff_effect_compat *compat_effect;



		if (size != sizeof(struct ff_effect_compat))

			return -EINVAL;



		/*

		 * It so happens that the pointer which needs to be changed

		 * is the last field in the structure, so we can copy the

		 * whole thing and replace just the pointer.

		 */



		compat_effect = (struct ff_effect_compat *)effect;



		if (copy_from_user(compat_effect, buffer,

				   sizeof(struct ff_effect_compat)))

			return -EFAULT;



		if (compat_effect->type == FF_PERIODIC &&

		    compat_effect->u.periodic.waveform == FF_CUSTOM)

			effect->u.periodic.custom_data =

				compat_ptr(compat_effect->u.periodic.custom_data);

	} else {

		if (size != sizeof(struct ff_effect))

			return -EINVAL;



		if (copy_from_user(effect, buffer, sizeof(struct ff_effect)))

			return -EFAULT;

	}



	return 0;

}



#else



static inline size_t evdev_event_size(void)

{

	return sizeof(struct input_event);

}



static int evdev_event_from_user(const char __user *buffer,

				 struct input_event *event)

{

	if (copy_from_user(event, buffer, sizeof(struct input_event)))

		return -EFAULT;



	return 0;

}



static int evdev_event_to_user(char __user *buffer,

				const struct input_event *event)

{

	if (copy_to_user(buffer, event, sizeof(struct input_event)))

		return -EFAULT;



	return 0;

}



static int evdev_ff_effect_from_user(const char __user *buffer, size_t size,

				     struct ff_effect *effect)

{

	if (size != sizeof(struct ff_effect))

		return -EINVAL;



	if (copy_from_user(effect, buffer, sizeof(struct ff_effect)))

		return -EFAULT;



	return 0;

}



#endif /* CONFIG_COMPAT */



static ssize_t evdev_write(struct file *file, const char __user *buffer,

			   size_t count, loff_t *ppos)

{
@@ -491,14 +310,14 @@ static ssize_t evdev_write(struct file *file, const char __user *buffer, 


	while (retval < count) {



		if (evdev_event_from_user(buffer + retval, &event)) {

		if (input_event_from_user(buffer + retval, &event)) {

			retval = -EFAULT;

			goto out;

		}



		input_inject_event(&evdev->handle,

				   event.type, event.code, event.value);

		retval += evdev_event_size();

		retval += input_event_size();

	}



 out:
@@ -532,7 +351,7 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, 
	struct input_event event;

	int retval;



	if (count < evdev_event_size())

	if (count < input_event_size())

		return -EINVAL;



	if (client->head == client->tail && evdev->exist &&
@@ -547,13 +366,13 @@ static ssize_t evdev_read(struct file *file, char __user *buffer, 
	if (!evdev->exist)

		return -ENODEV;



	while (retval + evdev_event_size() <= count &&

	while (retval + input_event_size() <= count &&

	       evdev_fetch_next_event(client, &event)) {



		if (evdev_event_to_user(buffer + retval, &event))

		if (input_event_to_user(buffer + retval, &event))

			return -EFAULT;



		retval += evdev_event_size();

		retval += input_event_size();

	}



	return retval;
@@ -824,7 +643,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd, 


			if (_IOC_NR(cmd) == _IOC_NR(EVIOCSFF)) {



				if (evdev_ff_effect_from_user(p, _IOC_SIZE(cmd), &effect))

				if (input_ff_effect_from_user(p, _IOC_SIZE(cmd), &effect))

					return -EFAULT;



				error = input_ff_upload(dev, &effect, file);

drivers/input/input-compat.c

0 → 100644
+135 −0
Original line number Diff line number Diff line 
/*

 * 32bit compatibility wrappers for the input subsystem.

 *

 * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 as published by

 * the Free Software Foundation.

 */



#include <asm/uaccess.h>

#include "input-compat.h"



#ifdef CONFIG_COMPAT



int input_event_from_user(const char __user *buffer,

			  struct input_event *event)

{

	if (INPUT_COMPAT_TEST) {

		struct input_event_compat compat_event;



		if (copy_from_user(&compat_event, buffer,

				   sizeof(struct input_event_compat)))

			return -EFAULT;



		event->time.tv_sec = compat_event.time.tv_sec;

		event->time.tv_usec = compat_event.time.tv_usec;

		event->type = compat_event.type;

		event->code = compat_event.code;

		event->value = compat_event.value;



	} else {

		if (copy_from_user(event, buffer, sizeof(struct input_event)))

			return -EFAULT;

	}



	return 0;

}



int input_event_to_user(char __user *buffer,

			const struct input_event *event)

{

	if (INPUT_COMPAT_TEST) {

		struct input_event_compat compat_event;



		compat_event.time.tv_sec = event->time.tv_sec;

		compat_event.time.tv_usec = event->time.tv_usec;

		compat_event.type = event->type;

		compat_event.code = event->code;

		compat_event.value = event->value;



		if (copy_to_user(buffer, &compat_event,

				 sizeof(struct input_event_compat)))

			return -EFAULT;



	} else {

		if (copy_to_user(buffer, event, sizeof(struct input_event)))

			return -EFAULT;

	}



	return 0;

}



int input_ff_effect_from_user(const char __user *buffer, size_t size,

			      struct ff_effect *effect)

{

	if (INPUT_COMPAT_TEST) {

		struct ff_effect_compat *compat_effect;



		if (size != sizeof(struct ff_effect_compat))

			return -EINVAL;



		/*

		 * It so happens that the pointer which needs to be changed

		 * is the last field in the structure, so we can retrieve the

		 * whole thing and replace just the pointer.

		 */

		compat_effect = (struct ff_effect_compat *)effect;



		if (copy_from_user(compat_effect, buffer,

				   sizeof(struct ff_effect_compat)))

			return -EFAULT;



		if (compat_effect->type == FF_PERIODIC &&

		    compat_effect->u.periodic.waveform == FF_CUSTOM)

			effect->u.periodic.custom_data =

				compat_ptr(compat_effect->u.periodic.custom_data);

	} else {

		if (size != sizeof(struct ff_effect))

			return -EINVAL;



		if (copy_from_user(effect, buffer, sizeof(struct ff_effect)))

			return -EFAULT;

	}



	return 0;

}



#else



int input_event_from_user(const char __user *buffer,

			 struct input_event *event)

{

	if (copy_from_user(event, buffer, sizeof(struct input_event)))

		return -EFAULT;



	return 0;

}



int input_event_to_user(char __user *buffer,

			const struct input_event *event)

{

	if (copy_to_user(buffer, event, sizeof(struct input_event)))

		return -EFAULT;



	return 0;

}



int input_ff_effect_from_user(const char __user *buffer, size_t size,

			      struct ff_effect *effect)

{

	if (size != sizeof(struct ff_effect))

		return -EINVAL;



	if (copy_from_user(effect, buffer, sizeof(struct ff_effect)))

		return -EFAULT;



	return 0;

}



#endif /* CONFIG_COMPAT */



EXPORT_SYMBOL_GPL(input_event_from_user);

EXPORT_SYMBOL_GPL(input_event_to_user);

EXPORT_SYMBOL_GPL(input_ff_effect_from_user);

drivers/input/input-compat.h

0 → 100644
+94 −0
Original line number Diff line number Diff line 
#ifndef _INPUT_COMPAT_H

#define _INPUT_COMPAT_H



/*

 * 32bit compatibility wrappers for the input subsystem.

 *

 * Very heavily based on evdev.c - Copyright (c) 1999-2002 Vojtech Pavlik

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 as published by

 * the Free Software Foundation.

 */



#include <linux/compiler.h>

#include <linux/compat.h>

#include <linux/input.h>



#ifdef CONFIG_COMPAT



/* Note to the author of this code: did it ever occur to

   you why the ifdefs are needed? Think about it again. -AK */

#ifdef CONFIG_X86_64

#  define INPUT_COMPAT_TEST is_compat_task()

#elif defined(CONFIG_IA64)

#  define INPUT_COMPAT_TEST IS_IA32_PROCESS(task_pt_regs(current))

#elif defined(CONFIG_S390)

#  define INPUT_COMPAT_TEST test_thread_flag(TIF_31BIT)

#elif defined(CONFIG_MIPS)

#  define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)

#else

#  define INPUT_COMPAT_TEST test_thread_flag(TIF_32BIT)

#endif



struct input_event_compat {

	struct compat_timeval time;

	__u16 type;

	__u16 code;

	__s32 value;

};



struct ff_periodic_effect_compat {

	__u16 waveform;

	__u16 period;

	__s16 magnitude;

	__s16 offset;

	__u16 phase;



	struct ff_envelope envelope;



	__u32 custom_len;

	compat_uptr_t custom_data;

};



struct ff_effect_compat {

	__u16 type;

	__s16 id;

	__u16 direction;

	struct ff_trigger trigger;

	struct ff_replay replay;



	union {

		struct ff_constant_effect constant;

		struct ff_ramp_effect ramp;

		struct ff_periodic_effect_compat periodic;

		struct ff_condition_effect condition[2]; /* One for each axis */

		struct ff_rumble_effect rumble;

	} u;

};



static inline size_t input_event_size(void)

{

	return INPUT_COMPAT_TEST ?

		sizeof(struct input_event_compat) : sizeof(struct input_event);

}



#else



static inline size_t input_event_size(void)

{

	return sizeof(struct input_event);

}



#endif /* CONFIG_COMPAT */



int input_event_from_user(const char __user *buffer,

			 struct input_event *event);



int input_event_to_user(char __user *buffer,

			const struct input_event *event);



int input_ff_effect_from_user(const char __user *buffer, size_t size,

			      struct ff_effect *effect);



#endif /* _INPUT_COMPAT_H */

drivers/input/misc/uinput.c

+145 −27
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include <linux/fs.h>

#include <linux/miscdevice.h>

#include <linux/uinput.h>

#include "../input-compat.h"



static int uinput_dev_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)

{
@@ -78,6 +79,7 @@ static struct uinput_request* uinput_request_find(struct uinput_device *udev, in 
	/* Find an input request, by ID. Returns NULL if the ID isn't valid. */

	if (id >= UINPUT_NUM_REQUESTS || id < 0)

		return NULL;



	return udev->requests[id];

}
@@ -127,6 +129,17 @@ static int uinput_dev_upload_effect(struct input_dev *dev, struct ff_effect *eff 
	struct uinput_request request;

	int retval;



	/*

	 * uinput driver does not currently support periodic effects with

	 * custom waveform since it does not have a way to pass buffer of

	 * samples (custom_data) to userspace. If ever there is a device

	 * supporting custom waveforms we would need to define an additional

	 * ioctl (UI_UPLOAD_SAMPLES) but for now we just bail out.

	 */

	if (effect->type == FF_PERIODIC &&

			effect->u.periodic.waveform == FF_CUSTOM)

		return -EINVAL;



	request.id = -1;

	init_completion(&request.done);

	request.code = UI_FF_UPLOAD;
@@ -353,15 +366,15 @@ static inline ssize_t uinput_inject_event(struct uinput_device *udev, const char 
{

	struct input_event ev;



	if (count != sizeof(struct input_event))

	if (count < input_event_size())

		return -EINVAL;



	if (copy_from_user(&ev, buffer, sizeof(struct input_event)))

	if (input_event_from_user(buffer, &ev))

		return -EFAULT;



	input_event(udev->dev, ev.type, ev.code, ev.value);



	return sizeof(struct input_event);

	return input_event_size();

}



static ssize_t uinput_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
@@ -407,13 +420,13 @@ static ssize_t uinput_read(struct file *file, char __user *buffer, size_t count, 
		goto out;

	}



	while (udev->head != udev->tail && retval + sizeof(struct input_event) <= count) {

		if (copy_to_user(buffer + retval, &udev->buff[udev->tail], sizeof(struct input_event))) {

	while (udev->head != udev->tail && retval + input_event_size() <= count) {

		if (input_event_to_user(buffer + retval, &udev->buff[udev->tail])) {

			retval = -EFAULT;

			goto out;

		}

		udev->tail = (udev->tail + 1) % UINPUT_BUFFER_SIZE;

		retval += sizeof(struct input_event);

		retval += input_event_size();

	}



 out:
@@ -444,6 +457,93 @@ static int uinput_release(struct inode *inode, struct file *file) 
	return 0;

}



#ifdef CONFIG_COMPAT

struct uinput_ff_upload_compat {

	int			request_id;

	int			retval;

	struct ff_effect_compat	effect;

	struct ff_effect_compat	old;

};



static int uinput_ff_upload_to_user(char __user *buffer,

				    const struct uinput_ff_upload *ff_up)

{

	if (INPUT_COMPAT_TEST) {

		struct uinput_ff_upload_compat ff_up_compat;



		ff_up_compat.request_id = ff_up->request_id;

		ff_up_compat.retval = ff_up->retval;

		/*

		 * It so happens that the pointer that gives us the trouble

		 * is the last field in the structure. Since we don't support

		 * custom waveforms in uinput anyway we can just copy the whole

		 * thing (to the compat size) and ignore the pointer.

		 */

		memcpy(&ff_up_compat.effect, &ff_up->effect,

			sizeof(struct ff_effect_compat));

		memcpy(&ff_up_compat.old, &ff_up->old,

			sizeof(struct ff_effect_compat));



		if (copy_to_user(buffer, &ff_up_compat,

				 sizeof(struct uinput_ff_upload_compat)))

			return -EFAULT;

	} else {

		if (copy_to_user(buffer, ff_up,

				 sizeof(struct uinput_ff_upload)))

			return -EFAULT;

	}



	return 0;

}



static int uinput_ff_upload_from_user(const char __user *buffer,

				      struct uinput_ff_upload *ff_up)

{

	if (INPUT_COMPAT_TEST) {

		struct uinput_ff_upload_compat ff_up_compat;



		if (copy_from_user(&ff_up_compat, buffer,

				   sizeof(struct uinput_ff_upload_compat)))

			return -EFAULT;



		ff_up->request_id = ff_up_compat.request_id;

		ff_up->retval = ff_up_compat.retval;

		memcpy(&ff_up->effect, &ff_up_compat.effect,

			sizeof(struct ff_effect_compat));

		memcpy(&ff_up->old, &ff_up_compat.old,

			sizeof(struct ff_effect_compat));



	} else {

		if (copy_from_user(ff_up, buffer,

				   sizeof(struct uinput_ff_upload)))

			return -EFAULT;

	}



	return 0;

}



#else



static int uinput_ff_upload_to_user(char __user *buffer,

				    const struct uinput_ff_upload *ff_up)

{

	if (copy_to_user(buffer, ff_up, sizeof(struct uinput_ff_upload)))

		return -EFAULT;



	return 0;

}



static int uinput_ff_upload_from_user(const char __user *buffer,

				      struct uinput_ff_upload *ff_up)

{

	if (copy_from_user(ff_up, buffer, sizeof(struct uinput_ff_upload)))

		return -EFAULT;



	return 0;

}



#endif



#define uinput_set_bit(_arg, _bit, _max)		\

({							\

	int __ret = 0;					\
@@ -455,19 +555,17 @@ static int uinput_release(struct inode *inode, struct file *file) 
	__ret;						\

})



static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

static long uinput_ioctl_handler(struct file *file, unsigned int cmd,

				 unsigned long arg, void __user *p)

{

	int			retval;

	struct uinput_device	*udev;

	void __user             *p = (void __user *)arg;

	struct uinput_device	*udev = file->private_data;

	struct uinput_ff_upload ff_up;

	struct uinput_ff_erase  ff_erase;

	struct uinput_request   *req;

	int                     length;

	char			*phys;



	udev = file->private_data;



	retval = mutex_lock_interruptible(&udev->mutex);

	if (retval)

		return retval;
@@ -549,26 +647,24 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
			break;



		case UI_BEGIN_FF_UPLOAD:

			if (copy_from_user(&ff_up, p, sizeof(ff_up))) {

				retval = -EFAULT;

			retval = uinput_ff_upload_from_user(p, &ff_up);

			if (retval)

				break;

			}



			req = uinput_request_find(udev, ff_up.request_id);

			if (!(req && req->code == UI_FF_UPLOAD && req->u.upload.effect)) {

			if (!req || req->code != UI_FF_UPLOAD || !req->u.upload.effect) {

				retval = -EINVAL;

				break;

			}



			ff_up.retval = 0;

			memcpy(&ff_up.effect, req->u.upload.effect, sizeof(struct ff_effect));

			ff_up.effect = *req->u.upload.effect;

			if (req->u.upload.old)

				memcpy(&ff_up.old, req->u.upload.old, sizeof(struct ff_effect));

				ff_up.old = *req->u.upload.old;

			else

				memset(&ff_up.old, 0, sizeof(struct ff_effect));



			if (copy_to_user(p, &ff_up, sizeof(ff_up))) {

				retval = -EFAULT;

				break;

			}

			retval = uinput_ff_upload_to_user(p, &ff_up);

			break;



		case UI_BEGIN_FF_ERASE:
@@ -576,29 +672,34 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
				retval = -EFAULT;

				break;

			}



			req = uinput_request_find(udev, ff_erase.request_id);

			if (!(req && req->code == UI_FF_ERASE)) {

			if (!req || req->code != UI_FF_ERASE) {

				retval = -EINVAL;

				break;

			}



			ff_erase.retval = 0;

			ff_erase.effect_id = req->u.effect_id;

			if (copy_to_user(p, &ff_erase, sizeof(ff_erase))) {

				retval = -EFAULT;

				break;

			}



			break;



		case UI_END_FF_UPLOAD:

			if (copy_from_user(&ff_up, p, sizeof(ff_up))) {

				retval = -EFAULT;

			retval = uinput_ff_upload_from_user(p, &ff_up);

			if (retval)

				break;

			}



			req = uinput_request_find(udev, ff_up.request_id);

			if (!(req && req->code == UI_FF_UPLOAD && req->u.upload.effect)) {

			if (!req || req->code != UI_FF_UPLOAD ||

			    !req->u.upload.effect) {

				retval = -EINVAL;

				break;

			}



			req->retval = ff_up.retval;

			uinput_request_done(udev, req);

			break;
@@ -608,11 +709,13 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
				retval = -EFAULT;

				break;

			}



			req = uinput_request_find(udev, ff_erase.request_id);

			if (!(req && req->code == UI_FF_ERASE)) {

			if (!req || req->code != UI_FF_ERASE) {

				retval = -EINVAL;

				break;

			}



			req->retval = ff_erase.retval;

			uinput_request_done(udev, req);

			break;
@@ -626,6 +729,18 @@ static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
	return retval;

}



static long uinput_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

{

	return uinput_ioctl_handler(file, cmd, arg, (void __user *)arg);

}



#ifdef CONFIG_COMPAT

static long uinput_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

{

	return uinput_ioctl_handler(file, cmd, arg, compat_ptr(arg));

}

#endif



static const struct file_operations uinput_fops = {

	.owner		= THIS_MODULE,

	.open		= uinput_open,
@@ -634,6 +749,9 @@ static const struct file_operations uinput_fops = { 
	.write		= uinput_write,

	.poll		= uinput_poll,

	.unlocked_ioctl	= uinput_ioctl,

#ifdef CONFIG_COMPAT

	.compat_ioctl	= uinput_compat_ioctl,

#endif

};



static struct miscdevice uinput_misc = {

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