USB: omninet: clean up protocol defines

Remove redundant data-offset define, which was really just the header
length.

Add payload-size define and use the bulk-out size define for the actual
bulk-out size.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 7 insertions, 7 deletions

diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index ec16b92d52b3..9dcaa7727de5 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -154,9 +154,9 @@ static void omninet_close(struct usb_serial_port *port)
 }
 
 
-#define OMNINET_DATAOFFSET      0x04
-#define OMNINET_HEADERLEN       sizeof(struct omninet_header)
-#define OMNINET_BULKOUTSIZE     (64 - OMNINET_HEADERLEN)
+#define OMNINET_HEADERLEN       4
+#define OMNINET_BULKOUTSIZE     64
+#define OMNINET_PAYLOADSIZE     (OMNINET_BULKOUTSIZE - OMNINET_HEADERLEN)
 
 static void omninet_read_bulk_callback(struct urb *urb)
 {
@@ -173,7 +173,7 @@ static void omninet_read_bulk_callback(struct urb *urb)
         }
 
         if (urb->actual_length && header->oh_len) {
-                tty_insert_flip_string(&port->port, data + OMNINET_DATAOFFSET,
+                tty_insert_flip_string(&port->port, data + OMNINET_HEADERLEN,
                                 header->oh_len);
                 tty_flip_buffer_push(&port->port);
         }
@@ -208,9 +208,9 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
                 return 0;
         }
 
-        count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count;
+        count = (count > OMNINET_PAYLOADSIZE) ? OMNINET_PAYLOADSIZE : count;
 
-        memcpy(wport->write_urb->transfer_buffer + OMNINET_DATAOFFSET,
+        memcpy(wport->write_urb->transfer_buffer + OMNINET_HEADERLEN,
                                                                 buf, count);
 
         usb_serial_debug_data(&port->dev, __func__, count,
@@ -222,7 +222,7 @@ static int omninet_write(struct tty_struct *tty, struct usb_serial_port *port,
         header->oh_pad  = 0x00;
 
         /* send the data out the bulk port, always 64 bytes */
-        wport->write_urb->transfer_buffer_length = 64;
+        wport->write_urb->transfer_buffer_length = OMNINET_BULKOUTSIZE;
 
         result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
         if (result) {