USB: serial: ipw: 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: Roelf Diedericks <roelfd@inet.co.za>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 1bc5860..1b94daa 100644 (file)
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -167,11 +167,13 @@ static void ipw_read_bulk_callback(struct urb *urb)
        unsigned char *data = urb->transfer_buffer;
        struct tty_struct *tty;
        int result;
+       int status = urb->status;
 
        dbg("%s - port %d", __FUNCTION__, port->number);
 
-       if (urb->status) {
-               dbg("%s - nonzero read bulk status received: %d", __FUNCTION__, urb->status);
+       if (status) {
+               dbg("%s - nonzero read bulk status received: %d",
+                   __FUNCTION__, status);
                return;
        }
 
@@ -369,13 +371,15 @@ static void ipw_close(struct usb_serial_port *port, struct file * filp)
 static void ipw_write_bulk_callback(struct urb *urb)
 {
        struct usb_serial_port *port = urb->context;
+       int status = urb->status;
 
        dbg("%s", __FUNCTION__);
 
        port->write_urb_busy = 0;
 
-       if (urb->status)
-               dbg("%s - nonzero write bulk status received: %d", __FUNCTION__, urb->status);
+       if (status)
+               dbg("%s - nonzero write bulk status received: %d",
+                   __FUNCTION__, status);
 
        usb_serial_port_softint(port);
 }