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>
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 4224f01..15bb411 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -39,7 +39,6 @@
int exist;
int open;
int minor;
- char name[16];
struct input_handle handle;
wait_queue_head_t wait;
struct list_head client_list;
@@ -537,12 +536,14 @@
default:
if ((cmd & ~IOCSIZE_MASK) == JSIOCGNAME(0)) {
int len;
- if (!dev->name)
+ const char *name = dev_name(&dev->dev);
+
+ if (!name)
return 0;
- len = strlen(dev->name) + 1;
+ len = strlen(name) + 1;
if (len > _IOC_SIZE(cmd))
len = _IOC_SIZE(cmd);
- if (copy_to_user(argp, dev->name, len))
+ if (copy_to_user(argp, name, len))
return -EFAULT;
return len;
}
@@ -742,13 +743,13 @@
mutex_init(&joydev->mutex);
init_waitqueue_head(&joydev->wait);
- snprintf(joydev->name, sizeof(joydev->name), "js%d", minor);
+ dev_set_name(&joydev->dev, "js%d", minor);
joydev->exist = 1;
joydev->minor = minor;
joydev->exist = 1;
joydev->handle.dev = input_get_device(dev);
- joydev->handle.name = joydev->name;
+ joydev->handle.name = dev_name(&joydev->dev);
joydev->handle.handler = handler;
joydev->handle.private = joydev;
@@ -797,7 +798,6 @@
}
}
- dev_set_name(&joydev->dev, joydev->name);
joydev->dev.devt = MKDEV(INPUT_MAJOR, JOYDEV_MINOR_BASE + minor);
joydev->dev.class = &input_class;
joydev->dev.parent = &dev->dev;