USB: misc: Remove unnecessary casts of private_data

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 82e1663..aecf380 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -650,7 +650,7 @@
 
 static int ftdi_elan_release(struct inode *inode, struct file *file)
 {
-        struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data;
+        struct usb_ftdi *ftdi = file->private_data;
         if (ftdi == NULL)
                 return -ENODEV;
         up(&ftdi->sw_lock);        /* decrement the count on our device */
@@ -673,7 +673,7 @@
         int bytes_read = 0;
         int retry_on_empty = 10;
         int retry_on_timeout = 5;
-        struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data;
+        struct usb_ftdi *ftdi = file->private_data;
         if (ftdi->disconnected > 0) {
                 return -ENODEV;
         }