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	Input: simplify name handling for certain input handles
For evdev, joydev and mousedev, instead of having a separate character array holding name of the handle, use struct devce's name which is the same. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
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					 3 changed files with 14 additions and 18 deletions
				
			
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					@ -25,7 +25,6 @@ struct evdev {
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	int exist;
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						int exist;
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	int open;
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						int open;
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	int minor;
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						int minor;
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	char name[16];
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	struct input_handle handle;
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						struct input_handle handle;
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	wait_queue_head_t wait;
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						wait_queue_head_t wait;
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	struct evdev_client *grab;
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						struct evdev_client *grab;
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					@ -609,7 +608,8 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
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						    p, compat_mode);
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											    p, compat_mode);
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			if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0)))
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								if (_IOC_NR(cmd) == _IOC_NR(EVIOCGNAME(0)))
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				return str_to_user(dev->name, _IOC_SIZE(cmd), p);
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									return str_to_user(dev_name(&evdev->dev),
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											   _IOC_SIZE(cmd), p);
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			if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0)))
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								if (_IOC_NR(cmd) == _IOC_NR(EVIOCGPHYS(0)))
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				return str_to_user(dev->phys, _IOC_SIZE(cmd), p);
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									return str_to_user(dev->phys, _IOC_SIZE(cmd), p);
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					@ -807,16 +807,15 @@ static int evdev_connect(struct input_handler *handler, struct input_dev *dev,
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	mutex_init(&evdev->mutex);
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						mutex_init(&evdev->mutex);
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	init_waitqueue_head(&evdev->wait);
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						init_waitqueue_head(&evdev->wait);
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	snprintf(evdev->name, sizeof(evdev->name), "event%d", minor);
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						dev_set_name(&evdev->dev, "event%d", minor);
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	evdev->exist = 1;
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						evdev->exist = 1;
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	evdev->minor = minor;
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						evdev->minor = minor;
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	evdev->handle.dev = input_get_device(dev);
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						evdev->handle.dev = input_get_device(dev);
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	evdev->handle.name = evdev->name;
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						evdev->handle.name = dev_name(&evdev->dev);
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	evdev->handle.handler = handler;
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						evdev->handle.handler = handler;
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	evdev->handle.private = evdev;
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						evdev->handle.private = evdev;
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	dev_set_name(&evdev->dev, evdev->name);
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	evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
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						evdev->dev.devt = MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor);
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	evdev->dev.class = &input_class;
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						evdev->dev.class = &input_class;
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	evdev->dev.parent = &dev->dev;
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						evdev->dev.parent = &dev->dev;
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					@ -39,7 +39,6 @@ struct joydev {
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	int exist;
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						int exist;
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	int open;
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						int open;
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	int minor;
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						int minor;
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	char name[16];
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	struct input_handle handle;
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						struct input_handle handle;
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	wait_queue_head_t wait;
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						wait_queue_head_t wait;
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	struct list_head client_list;
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						struct list_head client_list;
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					@ -537,12 +536,14 @@ static int joydev_ioctl_common(struct joydev *joydev,
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	default:
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						default:
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		if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
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							if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
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			int len;
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								int len;
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			if (!dev->name)
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								const char *name = dev_name(&dev->dev);
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								if (!name)
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				return 0;
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									return 0;
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			len = strlen(dev->name) + 1;
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								len = strlen(name) + 1;
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			if (len > _IOC_SIZE(cmd))
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								if (len > _IOC_SIZE(cmd))
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				len = _IOC_SIZE(cmd);
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									len = _IOC_SIZE(cmd);
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			if (copy_to_user(argp, dev->name, len))
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								if (copy_to_user(argp, name, len))
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				return -EFAULT;
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									return -EFAULT;
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			return len;
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								return len;
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		}
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							}
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					@ -742,13 +743,13 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
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	mutex_init(&joydev->mutex);
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						mutex_init(&joydev->mutex);
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	init_waitqueue_head(&joydev->wait);
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						init_waitqueue_head(&joydev->wait);
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	snprintf(joydev->name, sizeof(joydev->name), "js%d", minor);
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						dev_set_name(&joydev->dev, "js%d", minor);
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	joydev->exist = 1;
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						joydev->exist = 1;
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	joydev->minor = minor;
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						joydev->minor = minor;
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	joydev->exist = 1;
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						joydev->exist = 1;
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	joydev->handle.dev = input_get_device(dev);
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						joydev->handle.dev = input_get_device(dev);
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	joydev->handle.name = joydev->name;
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						joydev->handle.name = dev_name(&joydev->dev);
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	joydev->handle.handler = handler;
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						joydev->handle.handler = handler;
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	joydev->handle.private = joydev;
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						joydev->handle.private = joydev;
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					@ -797,7 +798,6 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
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		}
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							}
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	}
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						}
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	dev_set_name(&joydev->dev, joydev->name);
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	joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
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						joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
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	joydev->dev.class = &input_class;
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						joydev->dev.class = &input_class;
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	joydev->dev.parent = &dev->dev;
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						joydev->dev.parent = &dev->dev;
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					@ -60,7 +60,6 @@ struct mousedev {
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	int exist;
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						int exist;
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	int open;
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						int open;
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	int minor;
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						int minor;
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	char name[16];
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	struct input_handle handle;
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						struct input_handle handle;
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	wait_queue_head_t wait;
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						wait_queue_head_t wait;
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	struct list_head client_list;
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						struct list_head client_list;
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					@ -863,19 +862,17 @@ static struct mousedev *mousedev_create(struct input_dev *dev,
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	init_waitqueue_head(&mousedev->wait);
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						init_waitqueue_head(&mousedev->wait);
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	if (minor == MOUSEDEV_MIX)
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						if (minor == MOUSEDEV_MIX)
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		strlcpy(mousedev->name, "mice", sizeof(mousedev->name));
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							dev_set_name(&mousedev->dev, "mice");
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	else
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						else
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		snprintf(mousedev->name, sizeof(mousedev->name),
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							dev_set_name(&mousedev->dev, "mouse%d", minor);
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			 "mouse%d", minor);
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	mousedev->minor = minor;
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						mousedev->minor = minor;
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	mousedev->exist = 1;
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						mousedev->exist = 1;
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	mousedev->handle.dev = input_get_device(dev);
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						mousedev->handle.dev = input_get_device(dev);
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	mousedev->handle.name = mousedev->name;
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						mousedev->handle.name = dev_name(&mousedev->dev);
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	mousedev->handle.handler = handler;
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						mousedev->handle.handler = handler;
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	mousedev->handle.private = mousedev;
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						mousedev->handle.private = mousedev;
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	dev_set_name(&mousedev->dev, mousedev->name);
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	mousedev->dev.class = &input_class;
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						mousedev->dev.class = &input_class;
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	if (dev)
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						if (dev)
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		mousedev->dev.parent = &dev->dev;
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							mousedev->dev.parent = &dev->dev;
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