USB: serial: ftdi_sio: 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: Kuba Ober <kuba@mareimbrium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 3edd13f..4066a46 100644 (file)
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1576,14 +1576,15 @@ static void ftdi_write_bulk_callback (struct urb *urb)
        struct ftdi_private *priv;
        int data_offset;       /* will be 1 for the SIO and 0 otherwise */
        unsigned long countback;
+       int status = urb->status;
 
        /* free up the transfer buffer, as usb_free_urb() does not do this */
        kfree (urb->transfer_buffer);
 
        dbg("%s - port %d", __FUNCTION__, port->number);
 
-       if (urb->status) {
-               dbg("nonzero write bulk status received: %d", urb->status);
+       if (status) {
+               dbg("nonzero write bulk status received: %d", status);
                return;
        }
 
@@ -1659,6 +1660,7 @@ static void ftdi_read_bulk_callback (struct urb *urb)
        struct ftdi_private *priv;
        unsigned long countread;
        unsigned long flags;
+       int status = urb->status;
 
        if (urb->number_of_packets > 0) {
                err("%s transfer_buffer_length %d actual_length %d number of packets %d",__FUNCTION__,
@@ -1687,9 +1689,10 @@ static void ftdi_read_bulk_callback (struct urb *urb)
                err("%s - Not my urb!", __FUNCTION__);
        }
 
-       if (urb->status) {
+       if (status) {
                /* This will happen at close every time so it is a dbg not an err */
-               dbg("(this is ok on close) nonzero read bulk status received: %d", urb->status);
+               dbg("(this is ok on close) nonzero read bulk status received: "
+                   "%d", status);
                return;
        }