[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/evdev.c b/drivers/input/evdev.c
index 2a96b260a2a8..a4696cd0978c 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -661,6 +661,7 @@ static struct file_operations evdev_fops = {
 static struct input_handle *evdev_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
 {
         struct evdev *evdev;
+        struct class_device *cdev;
         int minor;
 
         for (minor = 0; minor < EVDEV_MINORS && evdev_table[minor]; minor++);
@@ -686,9 +687,13 @@ static struct input_handle *evdev_connect(struct input_handler *handler, struct
 
         evdev_table[minor] = evdev;
 
-        class_device_create(&input_class, &dev->cdev,
+        cdev = class_device_create(&input_class, &dev->cdev,
                         MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + minor),
-                        dev->cdev.dev, "event%d", minor);
+                        dev->cdev.dev, evdev->name);
+
+        /* temporary symlink to keep userspace happy */
+        sysfs_create_link(&input_class.subsys.kset.kobj, &cdev->kobj,
+                          evdev->name);
 
         return &evdev->handle;
 }
@@ -698,6 +703,7 @@ static void evdev_disconnect(struct input_handle *handle)
         struct evdev *evdev = handle->private;
         struct evdev_list *list;
 
+        sysfs_remove_link(&input_class.subsys.kset.kobj, evdev->name);
         class_device_destroy(&input_class,
                         MKDEV(INPUT_MAJOR, EVDEV_MINOR_BASE + evdev->minor));
         evdev->exist = 0;