[PATCH] paride: remove parport #ifdef's

[safe/jmp/linux-2.6] / drivers / input / input.c

diff --git a/drivers/input/input.c b/drivers/input/input.c
index 1c71dd6..1c8c8a5 100644 (file)
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -313,7 +313,8 @@ static void input_link_handle(struct input_handle *handle)
                if (i != NBITS(max)) \
                        continue;
 
-static struct input_device_id *input_match_device(struct input_device_id *id, struct input_dev *dev)
+static const struct input_device_id *input_match_device(const struct input_device_id *id,
+                                                       struct input_dev *dev)
 {
        int i;
 
@@ -905,12 +906,13 @@ struct input_dev *input_allocate_device(void)
 
        dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL);
        if (dev) {
-               dev->dynalloc = 1;
                dev->cdev.class = &input_class;
                class_device_initialize(&dev->cdev);
                mutex_init(&dev->mutex);
                INIT_LIST_HEAD(&dev->h_list);
                INIT_LIST_HEAD(&dev->node);
+
+               __module_get(THIS_MODULE);
        }
 
        return dev;
@@ -935,17 +937,10 @@ int input_register_device(struct input_dev *dev)
        static atomic_t input_no = ATOMIC_INIT(0);
        struct input_handle *handle;
        struct input_handler *handler;
-       struct input_device_id *id;
+       const struct input_device_id *id;
        const char *path;
        int error;
 
-       if (!dev->dynalloc) {
-               printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
-                       "Please convert to input_allocate_device() or contact dtor_core@ameritech.net\n",
-                       dev->name ? dev->name : "<Unknown>");
-               return -EINVAL;
-       }
-
        set_bit(EV_SYN, dev->evbit);
 
        /*
@@ -961,10 +956,8 @@ int input_register_device(struct input_dev *dev)
                dev->rep[REP_PERIOD] = 33;
        }
 
-       INIT_LIST_HEAD(&dev->h_list);
        list_add_tail(&dev->node, &input_dev_list);
 
-       dev->cdev.class = &input_class;
        snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
                 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
 
@@ -984,8 +977,6 @@ int input_register_device(struct input_dev *dev)
        if (error)
                goto fail3;
 
-       __module_get(THIS_MODULE);
-
        path = kobject_get_path(&dev->cdev.kobj, GFP_KERNEL);
        printk(KERN_INFO "input: %s as %s\n",
                dev->name ? dev->name : "Unspecified device", path ? path : "N/A");
@@ -1046,19 +1037,20 @@ void input_unregister_device(struct input_dev *dev)
 }
 EXPORT_SYMBOL(input_unregister_device);
 
-void input_register_handler(struct input_handler *handler)
+int input_register_handler(struct input_handler *handler)
 {
        struct input_dev *dev;
        struct input_handle *handle;
-       struct input_device_id *id;
-
-       if (!handler)
-               return;
+       const struct input_device_id *id;
 
        INIT_LIST_HEAD(&handler->h_list);
 
-       if (handler->fops != NULL)
+       if (handler->fops != NULL) {
+               if (input_table[handler->minor >> 5])
+                       return -EBUSY;
+
                input_table[handler->minor >> 5] = handler;
+       }
 
        list_add_tail(&handler->node, &input_handler_list);
 
@@ -1072,6 +1064,7 @@ void input_register_handler(struct input_handler *handler)
                                }
 
        input_wakeup_procfs_readers();
+       return 0;
 }
 EXPORT_SYMBOL(input_register_handler);