USB: serial: kobil_sct: clean up urb->status usage

This done in anticipation of removal of urb->status, which will make
that patch easier to review and apply in the future.

Cc: <linux-usb-devel@lists.sourceforge.net>
Cc: Thomas Wahrenbruch <linuxusb@kobil.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 0683b51f0932f15a783d4d96dfb53fd3edef75cd..02a86dbc0e9759673000eeb4521a8d0bafabc5ed 100644 (file)
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -358,24 +358,26 @@ static void kobil_close (struct usb_serial_port *port, struct file *filp)
 }
 
 
-static void kobil_read_int_callback( struct urb *purb)
+static void kobil_read_int_callback(struct urb *urb)
 {
        int result;
-       struct usb_serial_port *port = (struct usb_serial_port *) purb->context;
+       struct usb_serial_port *port = urb->context;
        struct tty_struct *tty;
-       unsigned char *data = purb->transfer_buffer;
+       unsigned char *data = urb->transfer_buffer;
+       int status = urb->status;
 //     char *dbg_data;
 
        dbg("%s - port %d", __FUNCTION__, port->number);
 
-       if (purb->status) {
-               dbg("%s - port %d Read int status not zero: %d", __FUNCTION__, port->number, purb->status);
+       if (status) {
+               dbg("%s - port %d Read int status not zero: %d",
+                   __FUNCTION__, port->number, status);
                return;
        }
-       
-       tty = port->tty; 
-       if (purb->actual_length) {
-               
+
+       tty = port->tty;
+       if (urb->actual_length) {
+
                // BEGIN DEBUG
                /*
                  dbg_data = kzalloc((3 *  purb->actual_length + 10) * sizeof(char), GFP_KERNEL);
@@ -390,15 +392,15 @@ static void kobil_read_int_callback( struct urb *purb)
                */
                // END DEBUG
 
-               tty_buffer_request_room(tty, purb->actual_length);
-               tty_insert_flip_string(tty, data, purb->actual_length);
+               tty_buffer_request_room(tty, urb->actual_length);
+               tty_insert_flip_string(tty, data, urb->actual_length);
                tty_flip_buffer_push(tty);
        }
 
        // someone sets the dev to 0 if the close method has been called
        port->interrupt_in_urb->dev = port->serial->dev;
 
-       result = usb_submit_urb( port->interrupt_in_urb, GFP_ATOMIC ); 
+       result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
        dbg("%s - port %d Send read URB returns: %i", __FUNCTION__, port->number, result);
 }