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>
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@ -269,7 +269,7 @@ static int idmouse_release(struct inode *inode, struct file *file)
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/* prevent a race condition with open() */
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mutex_lock(&disconnect_mutex);
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dev = (struct usb_idmouse *) file->private_data;
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dev = file->private_data;
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if (dev == NULL) {
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mutex_unlock(&disconnect_mutex);
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@ -304,17 +304,15 @@ static int idmouse_release(struct inode *inode, struct file *file)
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static ssize_t idmouse_read(struct file *file, char __user *buffer, size_t count,
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loff_t * ppos)
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{
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struct usb_idmouse *dev;
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struct usb_idmouse *dev = file->private_data;
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int result;
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dev = (struct usb_idmouse *) file->private_data;
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/* lock this object */
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down (&dev->sem);
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down(&dev->sem);
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/* verify that the device wasn't unplugged */
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if (!dev->present) {
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up (&dev->sem);
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up(&dev->sem);
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return -ENODEV;
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}
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