ACPI: sanity check _PSS frequency to prevent cpufreq crash

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

diff --git a/drivers/input/evbug.c b/drivers/input/evbug.c
index d782893..f7c5c14 100644 (file)
--- a/drivers/input/evbug.c
+++ b/drivers/input/evbug.c
@@ -1,6 +1,4 @@
 /*
- * $Id: evbug.c,v 1.10 2001/09/25 10:12:07 vojtech Exp $
- *
  *  Copyright (c) 1999-2001 Vojtech Pavlik
  */
 
@@ -38,42 +36,59 @@ MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("Input driver event debug module");
 MODULE_LICENSE("GPL");
 
-static char evbug_name[] = "evbug";
-
 static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
 {
-       printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle->dev->phys, type, code, value);
+       printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n",
+               dev_name(&handle->dev->dev), type, code, value);
 }
 
-static struct input_handle *evbug_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
+static int evbug_connect(struct input_handler *handler, struct input_dev *dev,
+                        const struct input_device_id *id)
 {
        struct input_handle *handle;
+       int error;
 
-       if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
-               return NULL;
-       memset(handle, 0, sizeof(struct input_handle));
+       handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+       if (!handle)
+               return -ENOMEM;
 
        handle->dev = dev;
        handle->handler = handler;
-       handle->name = evbug_name;
+       handle->name = "evbug";
+
+       error = input_register_handle(handle);
+       if (error)
+               goto err_free_handle;
+
+       error = input_open_device(handle);
+       if (error)
+               goto err_unregister_handle;
 
-       input_open_device(handle);
+       printk(KERN_DEBUG "evbug.c: Connected device: %s (%s at %s)\n",
+               dev_name(&dev->dev),
+               dev->name ?: "unknown",
+               dev->phys ?: "unknown");
 
-       printk(KERN_DEBUG "evbug.c: Connected device: \"%s\", %s\n", dev->name, dev->phys);
+       return 0;
 
-       return handle;
+ err_unregister_handle:
+       input_unregister_handle(handle);
+ err_free_handle:
+       kfree(handle);
+       return error;
 }
 
 static void evbug_disconnect(struct input_handle *handle)
 {
-       printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n", handle->dev->phys);
+       printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n",
+               dev_name(&handle->dev->dev));
 
        input_close_device(handle);
-
+       input_unregister_handle(handle);
        kfree(handle);
 }
 
-static struct input_device_id evbug_ids[] = {
+static const struct input_device_id evbug_ids[] = {
        { .driver_info = 1 },   /* Matches all devices */
        { },                    /* Terminating zero entry */
 };
@@ -90,8 +105,7 @@ static struct input_handler evbug_handler = {
 
 static int __init evbug_init(void)
 {
-       input_register_handler(&evbug_handler);
-       return 0;
+       return input_register_handler(&evbug_handler);
 }
 
 static void __exit evbug_exit(void)