From ab4f18799c218c576b3af89ca5886d56ab12a6ac Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dtor_core@ameritech.net>
Date: Sun, 20 Nov 2005 00:56:31 -0500
Subject: [PATCH] --- yaml --- r: 14535 b: refs/heads/master c:
 bd0ef2356cd85d39387be36fdf1f83a40075057f h: refs/heads/master i:   14533:
 ba66ea7f57937fb84dc9aa53dbbd3488aeaf8458   14531:
 f464ab9c2095276c06e5e5d14548e97f3508b178   14527:
 a85bd3afa2385e3cae1c3ae444fa53fbfdceadc3 v: v3

---
 [refs]                      |  2 +-
 trunk/drivers/input/input.c | 63 +++++++++++++++++++++----------------
 2 files changed, 37 insertions(+), 28 deletions(-)

diff --git a/[refs] b/[refs]
index 7a899344ebdc..1ae034f20196 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e597f0c80de7e2ef840b28d111ec532988abc432
+refs/heads/master: bd0ef2356cd85d39387be36fdf1f83a40075057f
diff --git a/trunk/drivers/input/input.c b/trunk/drivers/input/input.c
index c8ae2bb054e0..bdd2a7fc268d 100644
--- a/trunk/drivers/input/input.c
+++ b/trunk/drivers/input/input.c
@@ -536,7 +536,7 @@ static struct attribute *input_dev_attrs[] = {
 	NULL
 };
 
-static struct attribute_group input_dev_group = {
+static struct attribute_group input_dev_attr_group = {
 	.attrs	= input_dev_attrs,
 };
 
@@ -717,35 +717,14 @@ struct input_dev *input_allocate_device(void)
 	return dev;
 }
 
-static void input_register_classdevice(struct input_dev *dev)
-{
-	static atomic_t input_no = ATOMIC_INIT(0);
-	const char *path;
-
-	__module_get(THIS_MODULE);
-
-	dev->dev = dev->cdev.dev;
-
-	snprintf(dev->cdev.class_id, sizeof(dev->cdev.class_id),
-		 "input%ld", (unsigned long) atomic_inc_return(&input_no) - 1);
-
-	path = kobject_get_path(&dev->cdev.class->subsys.kset.kobj, GFP_KERNEL);
-	printk(KERN_INFO "input: %s as %s/%s\n",
-		dev->name ? dev->name : "Unspecified device",
-		path ? path : "", dev->cdev.class_id);
-	kfree(path);
-
-	class_device_add(&dev->cdev);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_group);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
-	sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
-}
-
 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 char *path;
+	int error;
 
 	if (!dev->dynalloc) {
 		printk(KERN_WARNING "input: device %s is statically allocated, will not register\n"
@@ -773,7 +752,32 @@ int input_register_device(struct input_dev *dev)
 	INIT_LIST_HEAD(&dev->h_list);
 	list_add_tail(&dev->node, &input_dev_list);
 
-	input_register_classdevice(dev);
+	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);
+
+	error = class_device_add(&dev->cdev);
+	if (error)
+		return error;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_attr_group);
+	if (error)
+		goto fail1;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+	if (error)
+		goto fail2;
+
+	error = sysfs_create_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
+	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");
+	kfree(path);
 
 	list_for_each_entry(handler, &input_handler_list, node)
 		if (!handler->blacklist || !input_match_device(handler->blacklist, dev))
@@ -784,6 +788,11 @@ int input_register_device(struct input_dev *dev)
 	input_wakeup_procfs_readers();
 
 	return 0;
+
+ fail3:	sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
+ fail2:	sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
+ fail1:	class_device_del(&dev->cdev);
+	return error;
 }
 
 void input_unregister_device(struct input_dev *dev)
@@ -805,7 +814,7 @@ void input_unregister_device(struct input_dev *dev)
 
 	sysfs_remove_group(&dev->cdev.kobj, &input_dev_caps_attr_group);
 	sysfs_remove_group(&dev->cdev.kobj, &input_dev_id_attr_group);
-	sysfs_remove_group(&dev->cdev.kobj, &input_dev_group);
+	sysfs_remove_group(&dev->cdev.kobj, &input_dev_attr_group);
 	class_device_unregister(&dev->cdev);
 
 	input_wakeup_procfs_readers();