USB: Remove unneeded void * casts in idmouse.c
The patch removes unneeded void * casts for the following (void *) pointers:
- struct file: private_data
The patch also contains some whitespace and coding style cleanups in the
relevant areas.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index c941853..15c70bd 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -269,7 +269,7 @@
/* prevent a race condition with open() */
mutex_lock(&disconnect_mutex);
- dev = (struct usb_idmouse *) file->private_data;
+ dev = file->private_data;
if (dev == NULL) {
mutex_unlock(&disconnect_mutex);
@@ -304,17 +304,15 @@
static ssize_t idmouse_read(struct file *file, char __user *buffer, size_t count,
loff_t * ppos)
{
- struct usb_idmouse *dev;
+ struct usb_idmouse *dev = file->private_data;
int result;
- dev = (struct usb_idmouse *) file->private_data;
-
/* lock this object */
- down (&dev->sem);
+ down(&dev->sem);
/* verify that the device wasn't unplugged */
if (!dev->present) {
- up (&dev->sem);
+ up(&dev->sem);
return -ENODEV;
}