Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index 056ebe8..30a7454 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -107,7 +107,6 @@
 
 struct kbd_struct kbd_table[MAX_NR_CONSOLES];
 static struct kbd_struct *kbd = kbd_table;
-static struct kbd_struct kbd0;
 
 int spawnpid, spawnsig;
 
@@ -223,13 +222,13 @@
 {
 	struct list_head *node;
 
-	list_for_each(node,&kbd_handler.h_list) {
+	list_for_each(node, &kbd_handler.h_list) {
 		struct input_handle *handle = to_handle_h(node);
 		if (test_bit(EV_SND, handle->dev->evbit)) {
 			if (test_bit(SND_TONE, handle->dev->sndbit))
-				input_event(handle->dev, EV_SND, SND_TONE, 0);
+				input_inject_event(handle, EV_SND, SND_TONE, 0);
 			if (test_bit(SND_BELL, handle->dev->sndbit))
-				input_event(handle->dev, EV_SND, SND_BELL, 0);
+				input_inject_event(handle, EV_SND, SND_BELL, 0);
 		}
 	}
 }
@@ -247,11 +246,11 @@
 			struct input_handle *handle = to_handle_h(node);
 			if (test_bit(EV_SND, handle->dev->evbit)) {
 				if (test_bit(SND_TONE, handle->dev->sndbit)) {
-					input_event(handle->dev, EV_SND, SND_TONE, hz);
+					input_inject_event(handle, EV_SND, SND_TONE, hz);
 					break;
 				}
 				if (test_bit(SND_BELL, handle->dev->sndbit)) {
-					input_event(handle->dev, EV_SND, SND_BELL, 1);
+					input_inject_event(handle, EV_SND, SND_BELL, 1);
 					break;
 				}
 			}
@@ -272,15 +271,15 @@
 	unsigned int d = 0;
 	unsigned int p = 0;
 
-	list_for_each(node,&kbd_handler.h_list) {
+	list_for_each(node, &kbd_handler.h_list) {
 		struct input_handle *handle = to_handle_h(node);
 		struct input_dev *dev = handle->dev;
 
 		if (test_bit(EV_REP, dev->evbit)) {
 			if (rep->delay > 0)
-				input_event(dev, EV_REP, REP_DELAY, rep->delay);
+				input_inject_event(handle, EV_REP, REP_DELAY, rep->delay);
 			if (rep->period > 0)
-				input_event(dev, EV_REP, REP_PERIOD, rep->period);
+				input_inject_event(handle, EV_REP, REP_PERIOD, rep->period);
 			d = dev->rep[REP_DELAY];
 			p = dev->rep[REP_PERIOD];
 		}
@@ -988,7 +987,7 @@
  * interrupt routines for this thing allows us to easily mask
  * this when we don't want any of the above to happen.
  * This allows for easy and efficient race-condition prevention
- * for kbd_refresh_leds => input_event(dev, EV_LED, ...) => ...
+ * for kbd_start => input_inject_event(dev, EV_LED, ...) => ...
  */
 
 static void kbd_bh(unsigned long dummy)
@@ -998,11 +997,11 @@
 
 	if (leds != ledstate) {
 		list_for_each(node, &kbd_handler.h_list) {
-			struct input_handle * handle = to_handle_h(node);
-			input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
-			input_event(handle->dev, EV_LED, LED_NUML,    !!(leds & 0x02));
-			input_event(handle->dev, EV_LED, LED_CAPSL,   !!(leds & 0x04));
-			input_sync(handle->dev);
+			struct input_handle *handle = to_handle_h(node);
+			input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+			input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
+			input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
+			input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
 		}
 	}
 
@@ -1011,23 +1010,6 @@
 
 DECLARE_TASKLET_DISABLED(keyboard_tasklet, kbd_bh, 0);
 
-/*
- * This allows a newly plugged keyboard to pick the LED state.
- */
-static void kbd_refresh_leds(struct input_handle *handle)
-{
-	unsigned char leds = ledstate;
-
-	tasklet_disable(&keyboard_tasklet);
-	if (leds != 0xff) {
-		input_event(handle->dev, EV_LED, LED_SCROLLL, !!(leds & 0x01));
-		input_event(handle->dev, EV_LED, LED_NUML,    !!(leds & 0x02));
-		input_event(handle->dev, EV_LED, LED_CAPSL,   !!(leds & 0x04));
-		input_sync(handle->dev);
-	}
-	tasklet_enable(&keyboard_tasklet);
-}
-
 #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\
     defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) ||\
     defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\
@@ -1043,7 +1025,7 @@
 	 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
 	 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
 	 80, 81, 82, 83, 84,118, 86, 87, 88,115,120,119,121,112,123, 92,
-	284,285,309,298,312, 91,327,328,329,331,333,335,336,337,338,339,
+	284,285,309,  0,312, 91,327,328,329,331,333,335,336,337,338,339,
 	367,288,302,304,350, 89,334,326,267,126,268,269,125,347,348,349,
 	360,261,262,263,268,376,100,101,321,316,373,286,289,102,351,355,
 	103,104,105,275,287,279,306,106,274,107,294,364,358,363,362,361,
@@ -1065,38 +1047,55 @@
 static int emulate_raw(struct vc_data *vc, unsigned int keycode,
 		       unsigned char up_flag)
 {
-	if (keycode > 255 || !x86_keycodes[keycode])
-		return -1;
+	int code;
 
 	switch (keycode) {
 		case KEY_PAUSE:
 			put_queue(vc, 0xe1);
 			put_queue(vc, 0x1d | up_flag);
 			put_queue(vc, 0x45 | up_flag);
-			return 0;
+			break;
+
 		case KEY_HANGEUL:
 			if (!up_flag)
 				put_queue(vc, 0xf2);
-			return 0;
+			break;
+
 		case KEY_HANJA:
 			if (!up_flag)
 				put_queue(vc, 0xf1);
-			return 0;
-	}
+			break;
 
-	if (keycode == KEY_SYSRQ && sysrq_alt) {
-		put_queue(vc, 0x54 | up_flag);
-		return 0;
-	}
+		case KEY_SYSRQ:
+			/*
+			 * Real AT keyboards (that's what we're trying
+			 * to emulate here emit 0xe0 0x2a 0xe0 0x37 when
+			 * pressing PrtSc/SysRq alone, but simply 0x54
+			 * when pressing Alt+PrtSc/SysRq.
+			 */
+			if (sysrq_alt) {
+				put_queue(vc, 0x54 | up_flag);
+			} else {
+				put_queue(vc, 0xe0);
+				put_queue(vc, 0x2a | up_flag);
+				put_queue(vc, 0xe0);
+				put_queue(vc, 0x37 | up_flag);
+			}
+			break;
 
-	if (x86_keycodes[keycode] & 0x100)
-		put_queue(vc, 0xe0);
+		default:
+			if (keycode > 255)
+				return -1;
 
-	put_queue(vc, (x86_keycodes[keycode] & 0x7f) | up_flag);
+			code = x86_keycodes[keycode];
+			if (!code)
+				return -1;
 
-	if (keycode == KEY_SYSRQ) {
-		put_queue(vc, 0xe0);
-		put_queue(vc, 0x37 | up_flag);
+			if (code & 0x100)
+				put_queue(vc, 0xe0);
+			put_queue(vc, (code & 0x7f) | up_flag);
+
+			break;
 	}
 
 	return 0;
@@ -1307,7 +1306,6 @@
 	handle->name = "kbd";
 
 	input_open_device(handle);
-	kbd_refresh_leds(handle);
 
 	return handle;
 }
@@ -1318,6 +1316,24 @@
 	kfree(handle);
 }
 
+/*
+ * Start keyboard handler on the new keyboard by refreshing LED state to
+ * match the rest of the system.
+ */
+static void kbd_start(struct input_handle *handle)
+{
+	unsigned char leds = ledstate;
+
+	tasklet_disable(&keyboard_tasklet);
+	if (leds != 0xff) {
+		input_inject_event(handle, EV_LED, LED_SCROLLL, !!(leds & 0x01));
+		input_inject_event(handle, EV_LED, LED_NUML,    !!(leds & 0x02));
+		input_inject_event(handle, EV_LED, LED_CAPSL,   !!(leds & 0x04));
+		input_inject_event(handle, EV_SYN, SYN_REPORT, 0);
+	}
+	tasklet_enable(&keyboard_tasklet);
+}
+
 static struct input_device_id kbd_ids[] = {
 	{
                 .flags = INPUT_DEVICE_ID_MATCH_EVBIT,
@@ -1338,6 +1354,7 @@
 	.event		= kbd_event,
 	.connect	= kbd_connect,
 	.disconnect	= kbd_disconnect,
+	.start		= kbd_start,
 	.name		= "kbd",
 	.id_table	= kbd_ids,
 };
@@ -1346,15 +1363,15 @@
 {
 	int i;
 
-        kbd0.ledflagstate = kbd0.default_ledflagstate = KBD_DEFLEDS;
-        kbd0.ledmode = LED_SHOW_FLAGS;
-        kbd0.lockstate = KBD_DEFLOCK;
-        kbd0.slockstate = 0;
-        kbd0.modeflags = KBD_DEFMODE;
-        kbd0.kbdmode = VC_XLATE;
-
-        for (i = 0 ; i < MAX_NR_CONSOLES ; i++)
-                kbd_table[i] = kbd0;
+        for (i = 0; i < MAX_NR_CONSOLES; i++) {
+		kbd_table[i].ledflagstate = KBD_DEFLEDS;
+		kbd_table[i].default_ledflagstate = KBD_DEFLEDS;
+		kbd_table[i].ledmode = LED_SHOW_FLAGS;
+		kbd_table[i].lockstate = KBD_DEFLOCK;
+		kbd_table[i].slockstate = 0;
+		kbd_table[i].modeflags = KBD_DEFMODE;
+		kbd_table[i].kbdmode = VC_XLATE;
+	}
 
 	input_register_handler(&kbd_handler);
 
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index a29d5ce..4bf4818 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -127,14 +127,10 @@
 {
 	struct evdev_list *list;
 	int i = iminor(inode) - EVDEV_MINOR_BASE;
-	int accept_err;
 
 	if (i >= EVDEV_MINORS || !evdev_table[i] || !evdev_table[i]->exist)
 		return -ENODEV;
 
-	if ((accept_err = input_accept_process(&(evdev_table[i]->handle), file)))
-		return accept_err;
-
 	if (!(list = kzalloc(sizeof(struct evdev_list), GFP_KERNEL)))
 		return -ENOMEM;
 
@@ -260,7 +256,7 @@
 
 		if (evdev_event_from_user(buffer + retval, &event))
 			return -EFAULT;
-		input_event(list->evdev->handle.dev, event.type, event.code, event.value);
+		input_inject_event(&list->evdev->handle, event.type, event.code, event.value);
 		retval += evdev_event_size();
 	}
 
@@ -428,8 +424,8 @@
 			if (get_user(v, ip + 1))
 				return -EFAULT;
 
-			input_event(dev, EV_REP, REP_DELAY, u);
-			input_event(dev, EV_REP, REP_PERIOD, v);
+			input_inject_event(&evdev->handle, EV_REP, REP_DELAY, u);
+			input_inject_event(&evdev->handle, EV_REP, REP_PERIOD, v);
 
 			return 0;
 
diff --git a/drivers/input/gameport/fm801-gp.c b/drivers/input/gameport/fm801-gp.c
index 47e93da..90de5af 100644
--- a/drivers/input/gameport/fm801-gp.c
+++ b/drivers/input/gameport/fm801-gp.c
@@ -106,10 +106,10 @@
 	gp->gameport = port;
 	gp->res_port = request_region(port->io, 0x10, "FM801 GP");
 	if (!gp->res_port) {
-		kfree(gp);
-		gameport_free_port(port);
 		printk(KERN_DEBUG "fm801-gp: unable to grab region 0x%x-0x%x\n",
 			port->io, port->io + 0x0f);
+		gameport_free_port(port);
+		kfree(gp);
 		return -EBUSY;
 	}
 
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 36644bf..3f47ae5 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -53,6 +53,7 @@
 
 static struct bus_type gameport_bus;
 
+static void gameport_add_driver(struct gameport_driver *drv);
 static void gameport_add_port(struct gameport *gameport);
 static void gameport_destroy_port(struct gameport *gameport);
 static void gameport_reconnect_port(struct gameport *gameport);
@@ -211,8 +212,14 @@
 
 static void gameport_find_driver(struct gameport *gameport)
 {
+	int error;
+
 	down_write(&gameport_bus.subsys.rwsem);
-	device_attach(&gameport->dev);
+	error = device_attach(&gameport->dev);
+	if (error < 0)
+		printk(KERN_WARNING
+			"gameport: device_attach() failed for %s (%s), error: %d\n",
+			gameport->phys, gameport->name, error);
 	up_write(&gameport_bus.subsys.rwsem);
 }
 
@@ -316,7 +323,6 @@
 	spin_unlock_irqrestore(&gameport_event_lock, flags);
 }
 
-
 static struct gameport_event *gameport_get_event(void)
 {
 	struct gameport_event *event;
@@ -342,7 +348,6 @@
 static void gameport_handle_event(void)
 {
 	struct gameport_event *event;
-	struct gameport_driver *gameport_drv;
 
 	mutex_lock(&gameport_mutex);
 
@@ -369,8 +374,7 @@
 				break;
 
 			case GAMEPORT_REGISTER_DRIVER:
-				gameport_drv = event->object;
-				driver_register(&gameport_drv->driver);
+				gameport_add_driver(event->object);
 				break;
 
 			default:
@@ -532,6 +536,7 @@
 	if (gameport->parent)
 		gameport->dev.parent = &gameport->parent->dev;
 
+	INIT_LIST_HEAD(&gameport->node);
 	spin_lock_init(&gameport->timer_lock);
 	init_timer(&gameport->poll_timer);
 	gameport->poll_timer.function = gameport_run_poll_handler;
@@ -544,6 +549,8 @@
  */
 static void gameport_add_port(struct gameport *gameport)
 {
+	int error;
+
 	if (gameport->parent)
 		gameport->parent->child = gameport;
 
@@ -558,8 +565,13 @@
 		printk(KERN_INFO "gameport: %s is %s, speed %dkHz\n",
 			gameport->name, gameport->phys, gameport->speed);
 
-	device_add(&gameport->dev);
-	gameport->registered = 1;
+	error = device_add(&gameport->dev);
+	if (error)
+		printk(KERN_ERR
+			"gameport: device_add() failed for %s (%s), error: %d\n",
+			gameport->phys, gameport->name, error);
+	else
+		gameport->registered = 1;
 }
 
 /*
@@ -583,10 +595,11 @@
 
 	if (gameport->registered) {
 		device_del(&gameport->dev);
-		list_del_init(&gameport->node);
 		gameport->registered = 0;
 	}
 
+	list_del_init(&gameport->node);
+
 	gameport_remove_pending_events(gameport);
 	put_device(&gameport->dev);
 }
@@ -704,11 +717,22 @@
 }
 
 static struct bus_type gameport_bus = {
-	.name =	"gameport",
-	.probe = gameport_driver_probe,
-	.remove = gameport_driver_remove,
+	.name	= "gameport",
+	.probe	= gameport_driver_probe,
+	.remove	= gameport_driver_remove,
 };
 
+static void gameport_add_driver(struct gameport_driver *drv)
+{
+	int error;
+
+	error = driver_register(&drv->driver);
+	if (error)
+		printk(KERN_ERR
+			"gameport: driver_register() failed for %s, error: %d\n",
+			drv->driver.name, error);
+}
+
 void __gameport_register_driver(struct gameport_driver *drv, struct module *owner)
 {
 	drv->driver.bus = &gameport_bus;
@@ -778,16 +802,24 @@
 
 static int __init gameport_init(void)
 {
-	gameport_task = kthread_run(gameport_thread, NULL, "kgameportd");
-	if (IS_ERR(gameport_task)) {
-		printk(KERN_ERR "gameport: Failed to start kgameportd\n");
-		return PTR_ERR(gameport_task);
-	}
+	int error;
 
 	gameport_bus.dev_attrs = gameport_device_attrs;
 	gameport_bus.drv_attrs = gameport_driver_attrs;
 	gameport_bus.match = gameport_bus_match;
-	bus_register(&gameport_bus);
+	error = bus_register(&gameport_bus);
+	if (error) {
+		printk(KERN_ERR "gameport: failed to register gameport bus, error: %d\n", error);
+		return error;
+	}
+
+	gameport_task = kthread_run(gameport_thread, NULL, "kgameportd");
+	if (IS_ERR(gameport_task)) {
+		bus_unregister(&gameport_bus);
+		error = PTR_ERR(gameport_task);
+		printk(KERN_ERR "gameport: Failed to start kgameportd, error: %d\n", error);
+		return error;
+	}
 
 	return 0;
 }
diff --git a/drivers/input/input.c b/drivers/input/input.c
index a90486f..9cb4b9a 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -35,6 +35,16 @@
 
 static struct input_handler *input_table[8];
 
+/**
+ * input_event() - report new input event
+ * @handle: device that generated the event
+ * @type: type of the event
+ * @code: event code
+ * @value: value of the event
+ *
+ * This function should be used by drivers implementing various input devices
+ * See also input_inject_event()
+ */
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
 	struct input_handle *handle;
@@ -183,6 +193,23 @@
 }
 EXPORT_SYMBOL(input_event);
 
+/**
+ * input_inject_event() - send input event from input handler
+ * @handle: input handle to send event through
+ * @type: type of the event
+ * @code: event code
+ * @value: value of the event
+ *
+ * Similar to input_event() but will ignore event if device is "grabbed" and handle
+ * injecting event is not the one that owns the device.
+ */
+void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
+{
+	if (!handle->dev->grab || handle->dev->grab == handle)
+		input_event(handle->dev, type, code, value);
+}
+EXPORT_SYMBOL(input_inject_event);
+
 static void input_repeat_key(unsigned long data)
 {
 	struct input_dev *dev = (void *) data;
@@ -197,15 +224,6 @@
 		mod_timer(&dev->timer, jiffies + msecs_to_jiffies(dev->rep[REP_PERIOD]));
 }
 
-int input_accept_process(struct input_handle *handle, struct file *file)
-{
-	if (handle->dev->accept)
-		return handle->dev->accept(handle->dev, file);
-
-	return 0;
-}
-EXPORT_SYMBOL(input_accept_process);
-
 int input_grab_device(struct input_handle *handle)
 {
 	if (handle->dev->grab)
@@ -218,8 +236,15 @@
 
 void input_release_device(struct input_handle *handle)
 {
-	if (handle->dev->grab == handle)
-		handle->dev->grab = NULL;
+	struct input_dev *dev = handle->dev;
+
+	if (dev->grab == handle) {
+		dev->grab = NULL;
+
+		list_for_each_entry(handle, &dev->h_list, d_node)
+			if (handle->handler->start)
+				handle->handler->start(handle);
+	}
 }
 EXPORT_SYMBOL(input_release_device);
 
@@ -963,8 +988,11 @@
 	list_for_each_entry(handler, &input_handler_list, node)
 		if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
 			if ((id = input_match_device(handler->id_table, dev)))
-				if ((handle = handler->connect(handler, dev, id)))
+				if ((handle = handler->connect(handler, dev, id))) {
 					input_link_handle(handle);
+					if (handler->start)
+						handler->start(handle);
+				}
 
 	input_wakeup_procfs_readers();
 
@@ -1028,8 +1056,11 @@
 	list_for_each_entry(dev, &input_dev_list, node)
 		if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
 			if ((id = input_match_device(handler->id_table, dev)))
-				if ((handle = handler->connect(handler, dev, id)))
+				if ((handle = handler->connect(handler, dev, id))) {
 					input_link_handle(handle);
+					if (handler->start)
+						handler->start(handle);
+				}
 
 	input_wakeup_procfs_readers();
 }
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index 6d99e3c..b4914e7 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -79,6 +79,7 @@
 	{ 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",	btn_wheel, abs_wheel, ff_iforce }, //?
 	{ 0x06f8, 0x0004, "Gullemot Jet Leader 3D",			btn_joystick, abs_joystick, ff_iforce }, //?
+	{ 0x06d6, 0x29bc, "Trust Force Feedback Race Master",		btn_wheel, abs_wheel, ff_iforce },
 	{ 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]",		btn_joystick, abs_joystick, ff_iforce }
 };
 
@@ -222,22 +223,22 @@
 	int err = 0;
 	struct iforce_core_effect* core_effect;
 
-	/* Check who is trying to erase this effect */
-	if (iforce->core_effects[effect_id].owner != current->pid) {
-		printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
-		return -EACCES;
-	}
-
 	if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
 		return -EINVAL;
 
-	core_effect = iforce->core_effects + effect_id;
+	core_effect = &iforce->core_effects[effect_id];
+
+	/* Check who is trying to erase this effect */
+	if (core_effect->owner != current->pid) {
+		printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, core_effect->owner);
+		return -EACCES;
+	}
 
 	if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
-		err = release_resource(&(iforce->core_effects[effect_id].mod1_chunk));
+		err = release_resource(&core_effect->mod1_chunk);
 
 	if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
-		err = release_resource(&(iforce->core_effects[effect_id].mod2_chunk));
+		err = release_resource(&core_effect->mod2_chunk);
 
 	/*TODO: remember to change that if more FF_MOD* bits are added */
 	core_effect->flags[0] = 0;
diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c
index 75eb5ca..7a19ee0 100644
--- a/drivers/input/joystick/spaceball.c
+++ b/drivers/input/joystick/spaceball.c
@@ -50,7 +50,7 @@
  */
 
 #define SPACEBALL_MAX_LENGTH	128
-#define SPACEBALL_MAX_ID	8
+#define SPACEBALL_MAX_ID	9
 
 #define SPACEBALL_1003      1
 #define SPACEBALL_2003B     3
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index ccf0fae..a8efc1a 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -94,7 +94,7 @@
 
 static ssize_t __init locate_wistron_bios(void __iomem *base)
 {
-	static const unsigned char __initdata signature[] =
+	static unsigned char __initdata signature[] =
 		{ 0x42, 0x21, 0x55, 0x30 };
 	ssize_t offset;
 
@@ -259,11 +259,11 @@
 	return 1;
 }
 
-static struct key_entry keymap_empty[] = {
+static struct key_entry keymap_empty[] __initdata = {
 	{ KE_END, 0 }
 };
 
-static struct key_entry keymap_fs_amilo_pro_v2000[] = {
+static struct key_entry keymap_fs_amilo_pro_v2000[] __initdata = {
 	{ KE_KEY,  0x01, KEY_HELP },
 	{ KE_KEY,  0x11, KEY_PROG1 },
 	{ KE_KEY,  0x12, KEY_PROG2 },
@@ -273,7 +273,7 @@
 	{ KE_END,  0 }
 };
 
-static struct key_entry keymap_fujitsu_n3510[] = {
+static struct key_entry keymap_fujitsu_n3510[] __initdata = {
 	{ KE_KEY, 0x11, KEY_PROG1 },
 	{ KE_KEY, 0x12, KEY_PROG2 },
 	{ KE_KEY, 0x36, KEY_WWW },
@@ -285,7 +285,7 @@
 	{ KE_END, 0 }
 };
 
-static struct key_entry keymap_wistron_ms2111[] = {
+static struct key_entry keymap_wistron_ms2111[] __initdata = {
 	{ KE_KEY,  0x11, KEY_PROG1 },
 	{ KE_KEY,  0x12, KEY_PROG2 },
 	{ KE_KEY,  0x13, KEY_PROG3 },
@@ -294,7 +294,7 @@
 	{ KE_END,  0 }
 };
 
-static struct key_entry keymap_wistron_ms2141[] = {
+static struct key_entry keymap_wistron_ms2141[] __initdata = {
 	{ KE_KEY,  0x11, KEY_PROG1 },
 	{ KE_KEY,  0x12, KEY_PROG2 },
 	{ KE_WIFI, 0x30, 0 },
@@ -307,7 +307,7 @@
 	{ KE_END,  0 }
 };
 
-static struct key_entry keymap_acer_aspire_1500[] = {
+static struct key_entry keymap_acer_aspire_1500[] __initdata = {
 	{ KE_KEY, 0x11, KEY_PROG1 },
 	{ KE_KEY, 0x12, KEY_PROG2 },
 	{ KE_WIFI, 0x30, 0 },
@@ -317,7 +317,7 @@
 	{ KE_END, 0 }
 };
 
-static struct key_entry keymap_acer_travelmate_240[] = {
+static struct key_entry keymap_acer_travelmate_240[] __initdata = {
 	{ KE_KEY, 0x31, KEY_MAIL },
 	{ KE_KEY, 0x36, KEY_WWW },
 	{ KE_KEY, 0x11, KEY_PROG1 },
@@ -327,7 +327,7 @@
 	{ KE_END, 0 }
 };
 
-static struct key_entry keymap_aopen_1559as[] = {
+static struct key_entry keymap_aopen_1559as[] __initdata = {
 	{ KE_KEY,  0x01, KEY_HELP },
 	{ KE_KEY,  0x06, KEY_PROG3 },
 	{ KE_KEY,  0x11, KEY_PROG1 },
@@ -343,7 +343,7 @@
  * a list of buttons and their key codes (reported when loading this module
  * with force=1) and the output of dmidecode to $MODULE_AUTHOR.
  */
-static struct dmi_system_id dmi_ids[] = {
+static struct dmi_system_id dmi_ids[] __initdata = {
 	{
 		.callback = dmi_matched,
 		.ident = "Fujitsu-Siemens Amilo Pro V2000",
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 61a6f97..ed202f2 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -177,6 +177,11 @@
 		return -1;
 	}
 
+	if (send && !param) {
+		WARN_ON(1);
+		return -1;
+	}
+
 	mutex_lock_nested(&ps2dev->cmd_mutex, SINGLE_DEPTH_NESTING);
 
 	serio_pause_rx(ps2dev->serio);
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 6521034..3e76ad7 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -62,6 +62,7 @@
 
 static struct bus_type serio_bus;
 
+static void serio_add_driver(struct serio_driver *drv);
 static void serio_add_port(struct serio *serio);
 static void serio_destroy_port(struct serio *serio);
 static void serio_reconnect_port(struct serio *serio);
@@ -140,8 +141,14 @@
 
 static void serio_find_driver(struct serio *serio)
 {
+	int error;
+
 	down_write(&serio_bus.subsys.rwsem);
-	device_attach(&serio->dev);
+	error = device_attach(&serio->dev);
+	if (error < 0)
+		printk(KERN_WARNING
+			"serio: device_attach() failed for %s (%s), error: %d\n",
+			serio->phys, serio->name, error);
 	up_write(&serio_bus.subsys.rwsem);
 }
 
@@ -272,7 +279,6 @@
 static void serio_handle_event(void)
 {
 	struct serio_event *event;
-	struct serio_driver *serio_drv;
 
 	mutex_lock(&serio_mutex);
 
@@ -304,8 +310,7 @@
 				break;
 
 			case SERIO_REGISTER_DRIVER:
-				serio_drv = event->object;
-				driver_register(&serio_drv->driver);
+				serio_add_driver(event->object);
 				break;
 
 			default:
@@ -525,6 +530,7 @@
 
 	__module_get(THIS_MODULE);
 
+	INIT_LIST_HEAD(&serio->node);
 	spin_lock_init(&serio->lock);
 	mutex_init(&serio->drv_mutex);
 	device_initialize(&serio->dev);
@@ -542,6 +548,8 @@
  */
 static void serio_add_port(struct serio *serio)
 {
+	int error;
+
 	if (serio->parent) {
 		serio_pause_rx(serio->parent);
 		serio->parent->child = serio;
@@ -551,9 +559,19 @@
 	list_add_tail(&serio->node, &serio_list);
 	if (serio->start)
 		serio->start(serio);
-	device_add(&serio->dev);
-	sysfs_create_group(&serio->dev.kobj, &serio_id_attr_group);
-	serio->registered = 1;
+	error = device_add(&serio->dev);
+	if (error)
+		printk(KERN_ERR
+			"serio: device_add() failed for %s (%s), error: %d\n",
+			serio->phys, serio->name, error);
+	else {
+		serio->registered = 1;
+		error = sysfs_create_group(&serio->dev.kobj, &serio_id_attr_group);
+		if (error)
+			printk(KERN_ERR
+				"serio: sysfs_create_group() failed for %s (%s), error: %d\n",
+				serio->phys, serio->name, error);
+	}
 }
 
 /*
@@ -583,10 +601,10 @@
 	if (serio->registered) {
 		sysfs_remove_group(&serio->dev.kobj, &serio_id_attr_group);
 		device_del(&serio->dev);
-		list_del_init(&serio->node);
 		serio->registered = 0;
 	}
 
+	list_del_init(&serio->node);
 	serio_remove_pending_events(serio);
 	put_device(&serio->dev);
 }
@@ -756,6 +774,17 @@
 	.remove = serio_driver_remove,
 };
 
+static void serio_add_driver(struct serio_driver *drv)
+{
+	int error;
+
+	error = driver_register(&drv->driver);
+	if (error)
+		printk(KERN_ERR
+			"serio: driver_register() failed for %s, error: %d\n",
+			drv->driver.name, error);
+}
+
 void __serio_register_driver(struct serio_driver *drv, struct module *owner)
 {
 	drv->driver.bus = &serio_bus;
@@ -903,18 +932,26 @@
 
 static int __init serio_init(void)
 {
-	serio_task = kthread_run(serio_thread, NULL, "kseriod");
-	if (IS_ERR(serio_task)) {
-		printk(KERN_ERR "serio: Failed to start kseriod\n");
-		return PTR_ERR(serio_task);
-	}
+	int error;
 
 	serio_bus.dev_attrs = serio_device_attrs;
 	serio_bus.drv_attrs = serio_driver_attrs;
 	serio_bus.match = serio_bus_match;
 	serio_bus.uevent = serio_uevent;
 	serio_bus.resume = serio_resume;
-	bus_register(&serio_bus);
+	error = bus_register(&serio_bus);
+	if (error) {
+		printk(KERN_ERR "serio: failed to register serio bus, error: %d\n", error);
+		return error;
+	}
+
+	serio_task = kthread_run(serio_thread, NULL, "kseriod");
+	if (IS_ERR(serio_task)) {
+		bus_unregister(&serio_bus);
+		error = PTR_ERR(serio_task);
+		printk(KERN_ERR "serio: Failed to start kseriod, error: %d\n", error);
+		return error;
+	}
 
 	return 0;
 }
diff --git a/drivers/usb/input/hid-input.c b/drivers/usb/input/hid-input.c
index 028e1ad..7208839 100644
--- a/drivers/usb/input/hid-input.c
+++ b/drivers/usb/input/hid-input.c
@@ -607,7 +607,8 @@
 
 	}
 
-	if (usage->hat_min < usage->hat_max || usage->hat_dir) {
+	if (usage->type == EV_ABS &&
+	    (usage->hat_min < usage->hat_max || usage->hat_dir)) {
 		int i;
 		for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
 			input_set_abs_params(input, i, -1, 1, 0, 0);
diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c
index 70477f0..f6b839c 100644
--- a/drivers/usb/input/hiddev.c
+++ b/drivers/usb/input/hiddev.c
@@ -49,7 +49,7 @@
 	int open;
 	wait_queue_head_t wait;
 	struct hid_device *hid;
-	struct hiddev_list *list;
+	struct list_head list;
 };
 
 struct hiddev_list {
@@ -59,7 +59,7 @@
 	unsigned flags;
 	struct fasync_struct *fasync;
 	struct hiddev *hiddev;
-	struct hiddev_list *next;
+	struct list_head node;
 };
 
 static struct hiddev *hiddev_table[HIDDEV_MINORS];
@@ -73,12 +73,15 @@
 static struct hid_report *
 hiddev_lookup_report(struct hid_device *hid, struct hiddev_report_info *rinfo)
 {
-	unsigned flags = rinfo->report_id & ~HID_REPORT_ID_MASK;
+	unsigned int flags = rinfo->report_id & ~HID_REPORT_ID_MASK;
+	unsigned int rid = rinfo->report_id & HID_REPORT_ID_MASK;
 	struct hid_report_enum *report_enum;
+	struct hid_report *report;
 	struct list_head *list;
 
 	if (rinfo->report_type < HID_REPORT_TYPE_MIN ||
-	    rinfo->report_type > HID_REPORT_TYPE_MAX) return NULL;
+	    rinfo->report_type > HID_REPORT_TYPE_MAX)
+		return NULL;
 
 	report_enum = hid->report_enum +
 		(rinfo->report_type - HID_REPORT_TYPE_MIN);
@@ -88,21 +91,25 @@
 		break;
 
 	case HID_REPORT_ID_FIRST:
-		list = report_enum->report_list.next;
-		if (list == &report_enum->report_list)
+		if (list_empty(&report_enum->report_list))
 			return NULL;
-		rinfo->report_id = ((struct hid_report *) list)->id;
+
+		list = report_enum->report_list.next;
+		report = list_entry(list, struct hid_report, list);
+		rinfo->report_id = report->id;
 		break;
 
 	case HID_REPORT_ID_NEXT:
-		list = (struct list_head *)
-			report_enum->report_id_hash[rinfo->report_id & HID_REPORT_ID_MASK];
-		if (list == NULL)
+		report = report_enum->report_id_hash[rid];
+		if (!report)
 			return NULL;
-		list = list->next;
+
+		list = report->list.next;
 		if (list == &report_enum->report_list)
 			return NULL;
-		rinfo->report_id = ((struct hid_report *) list)->id;
+
+		report = list_entry(list, struct hid_report, list);
+		rinfo->report_id = report->id;
 		break;
 
 	default:
@@ -125,12 +132,13 @@
 	struct hid_field *field;
 
 	if (uref->report_type < HID_REPORT_TYPE_MIN ||
-	    uref->report_type > HID_REPORT_TYPE_MAX) return NULL;
+	    uref->report_type > HID_REPORT_TYPE_MAX)
+		return NULL;
 
 	report_enum = hid->report_enum +
 		(uref->report_type - HID_REPORT_TYPE_MIN);
 
-	list_for_each_entry(report, &report_enum->report_list, list)
+	list_for_each_entry(report, &report_enum->report_list, list) {
 		for (i = 0; i < report->maxfield; i++) {
 			field = report->field[i];
 			for (j = 0; j < field->maxusage; j++) {
@@ -142,6 +150,7 @@
 				}
 			}
 		}
+	}
 
 	return NULL;
 }
@@ -150,9 +159,9 @@
 			      struct hiddev_usage_ref *uref)
 {
 	struct hiddev *hiddev = hid->hiddev;
-	struct hiddev_list *list = hiddev->list;
+	struct hiddev_list *list;
 
-	while (list) {
+	list_for_each_entry(list, &hiddev->list, node) {
 		if (uref->field_index != HID_FIELD_INDEX_NONE ||
 		    (list->flags & HIDDEV_FLAG_REPORT) != 0) {
 			list->buffer[list->head] = *uref;
@@ -160,8 +169,6 @@
 				(HIDDEV_BUFFER_SIZE - 1);
 			kill_fasync(&list->fasync, SIGIO, POLL_IN);
 		}
-
-		list = list->next;
 	}
 
 	wake_up_interruptible(&hiddev->wait);
@@ -180,7 +187,7 @@
 	uref.report_type =
 	  (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT :
 	  ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT :
-	   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE:0));
+	   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE : 0));
 	uref.report_id = field->report->id;
 	uref.field_index = field->index;
 	uref.usage_index = (usage - field->usage);
@@ -200,7 +207,7 @@
 	uref.report_type =
 	  (type == HID_INPUT_REPORT) ? HID_REPORT_TYPE_INPUT :
 	  ((type == HID_OUTPUT_REPORT) ? HID_REPORT_TYPE_OUTPUT :
-	   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE:0));
+	   ((type == HID_FEATURE_REPORT) ? HID_REPORT_TYPE_FEATURE : 0));
 	uref.report_id = report->id;
 	uref.field_index = HID_FIELD_INDEX_NONE;
 
@@ -213,7 +220,9 @@
 {
 	int retval;
 	struct hiddev_list *list = file->private_data;
+
 	retval = fasync_helper(fd, file, on, &list->fasync);
+
 	return retval < 0 ? retval : 0;
 }
 
@@ -224,14 +233,9 @@
 static int hiddev_release(struct inode * inode, struct file * file)
 {
 	struct hiddev_list *list = file->private_data;
-	struct hiddev_list **listptr;
 
-	listptr = &list->hiddev->list;
 	hiddev_fasync(-1, file, 0);
-
-	while (*listptr && (*listptr != list))
-		listptr = &((*listptr)->next);
-	*listptr = (*listptr)->next;
+	list_del(&list->node);
 
 	if (!--list->hiddev->open) {
 		if (list->hiddev->exist)
@@ -248,7 +252,8 @@
 /*
  * open file op
  */
-static int hiddev_open(struct inode * inode, struct file * file) {
+static int hiddev_open(struct inode *inode, struct file *file)
+{
 	struct hiddev_list *list;
 
 	int i = iminor(inode) - HIDDEV_MINOR_BASE;
@@ -260,9 +265,7 @@
 		return -ENOMEM;
 
 	list->hiddev = hiddev_table[i];
-	list->next = hiddev_table[i]->list;
-	hiddev_table[i]->list = list;
-
+	list_add_tail(&list->node, &hiddev_table[i]->list);
 	file->private_data = list;
 
 	if (!list->hiddev->open++)
@@ -362,6 +365,7 @@
 static unsigned int hiddev_poll(struct file *file, poll_table *wait)
 {
 	struct hiddev_list *list = file->private_data;
+
 	poll_wait(file, &list->hiddev->wait, wait);
 	if (list->head != list->tail)
 		return POLLIN | POLLRDNORM;
@@ -382,7 +386,7 @@
 	struct hiddev_collection_info cinfo;
 	struct hiddev_report_info rinfo;
 	struct hiddev_field_info finfo;
-	struct hiddev_usage_ref_multi *uref_multi=NULL;
+	struct hiddev_usage_ref_multi *uref_multi = NULL;
 	struct hiddev_usage_ref *uref;
 	struct hiddev_devinfo dinfo;
 	struct hid_report *report;
@@ -764,15 +768,15 @@
 	}
 
 	init_waitqueue_head(&hiddev->wait);
-
-	hiddev_table[hid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
-
+	INIT_LIST_HEAD(&hiddev->list);
 	hiddev->hid = hid;
 	hiddev->exist = 1;
 
 	hid->minor = hid->intf->minor;
 	hid->hiddev = hiddev;
 
+	hiddev_table[hid->intf->minor - HIDDEV_MINOR_BASE] = hiddev;
+
 	return 0;
 }
 
diff --git a/include/linux/input.h b/include/linux/input.h
index 56f1e0e..b3253ab 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -893,7 +893,6 @@
 
 	int (*open)(struct input_dev *dev);
 	void (*close)(struct input_dev *dev);
-	int (*accept)(struct input_dev *dev, struct file *file);
 	int (*flush)(struct input_dev *dev, struct file *file);
 	int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);
 	int (*upload_effect)(struct input_dev *dev, struct ff_effect *effect);
@@ -961,6 +960,26 @@
 
 struct input_handle;
 
+/**
+ * struct input_handler - implements one of interfaces for input devices
+ * @private: driver-specific data
+ * @event: event handler
+ * @connect: called when attaching a handler to an input device
+ * @disconnect: disconnects a handler from input device
+ * @start: starts handler for given handle. This function is called by
+ *	input core right after connect() method and also when a process
+ *	that "grabbed" a device releases it
+ * @fops: file operations this driver implements
+ * @minor: beginning of range of 32 minors for devices this driver
+ *	can provide
+ * @name: name of the handler, to be shown in /proc/bus/input/handlers
+ * @id_table: pointer to a table of input_device_ids this driver can
+ *	handle
+ * @blacklist: prointer to a table of input_device_ids this driver should
+ *	ignore even if they match @id_table
+ * @h_list: list of input handles associated with the handler
+ * @node: for placing the driver onto input_handler_list
+ */
 struct input_handler {
 
 	void *private;
@@ -968,6 +987,7 @@
 	void (*event)(struct input_handle *handle, unsigned int type, unsigned int code, int value);
 	struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
 	void (*disconnect)(struct input_handle *handle);
+	void (*start)(struct input_handle *handle);
 
 	const struct file_operations *fops;
 	int minor;
@@ -1030,10 +1050,10 @@
 int input_open_device(struct input_handle *);
 void input_close_device(struct input_handle *);
 
-int input_accept_process(struct input_handle *handle, struct file *file);
 int input_flush_device(struct input_handle* handle, struct file* file);
 
 void input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value);
+void input_inject_event(struct input_handle *handle, unsigned int type, unsigned int code, int value);
 
 static inline void input_report_key(struct input_dev *dev, unsigned int code, int value)
 {