[PATCH] INPUT: Create symlinks for backwards compatibility

This creates symlinks in /sys/class/input/ to the nested class devices
to help userspace cope with the nesting.

Unfortunatly udev still needs to be updated as it can't handle symlinks
properly here :(

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 8 insertions, 2 deletions

diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index de2808fc85b3..2d0af44ac4b9 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -620,6 +620,7 @@ static struct file_operations mousedev_fops = {
 static struct input_handle *mousedev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
 {
         struct mousedev *mousedev;
+        struct class_device *cdev;
         int minor = 0;
 
         for (minor = 0; minor < MOUSEDEV_MINORS && mousedev_table[minor]; minor++);
@@ -648,9 +649,13 @@ static struct input_handle *mousedev_connect(struct input_handler *handler, stru
 
         mousedev_table[minor] = mousedev;
 
-        class_device_create(&input_class, &dev->cdev,
+        cdev = class_device_create(&input_class, &dev->cdev,
                         MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + minor),
-                        dev->cdev.dev, "mouse%d", minor);
+                        dev->cdev.dev, mousedev->name);
+
+        /* temporary symlink to keep userspace happy */
+        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+                          mousedev->name);
 
         return &mousedev->handle;
 }
@@ -660,6 +665,7 @@ static void mousedev_disconnect(struct input_handle *handle)
         struct mousedev *mousedev = handle->private;
         struct mousedev_list *list;
 
+        sysfs_remove_link(&input_class.subsys.kset.kobj, mousedev->name);
         class_device_destroy(&input_class,
                         MKDEV(INPUT_MAJOR, MOUSEDEV_MINOR_BASE + mousedev->minor));
         mousedev->exist = 0;