[PATCH] drivers/input/mouse: convert to dynamic input_dev allocation

Input: convert drivers/input/mouse to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 7 deletions

diff --git a/drivers/input/mouse/maplemouse.c b/drivers/input/mouse/maplemouse.c
index e90c60cbbf05..b5b34fe4fee8 100644
--- a/drivers/input/mouse/maplemouse.c
+++ b/drivers/input/mouse/maplemouse.c
@@ -41,13 +41,12 @@ static int dc_mouse_connect(struct maple_device *dev)
         unsigned long data = be32_to_cpu(dev->devinfo.function_data[0]);
         struct input_dev *input_dev;
 
-        if (!(input_dev = kmalloc(sizeof(struct input_dev), GFP_KERNEL)))
-                return -1;
+        dev->private_data = input_dev = input_allocate_device();
+        if (!input_dev)
+                return -ENOMEM;
 
         dev->private_data = input_dev;
 
-        memset(input_dev, 0, sizeof(struct dc_mouse));
-        init_input_dev(input_dev);
         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
         input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
         input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y) | BIT(REL_WHEEL);
@@ -59,8 +58,6 @@ static int dc_mouse_connect(struct maple_device *dev)
 
         maple_getcond_callback(dev, dc_mouse_callback, 1, MAPLE_FUNC_MOUSE);
 
-        printk(KERN_INFO "input: mouse(0x%lx): %s\n", data, input_dev->name);
-
         return 0;
 }
 
@@ -70,7 +67,6 @@ static void dc_mouse_disconnect(struct maple_device *dev)
         struct input_dev *input_dev = dev->private_data;
 
         input_unregister_device(input_dev);
-        kfree(input_dev);
 }