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>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index 4224f0112849..15bb41195bea 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -39,7 +39,6 @@ struct joydev {
         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 @@ static int joydev_ioctl_common(struct joydev *joydev,
         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 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
         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 @@ static int joydev_connect(struct input_handler *handler, struct input_dev *dev,
                 }
         }
 
-        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;