USB: serial: navman: 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index 90701111d746158e3a444340928621e66e5d4861..7f337c9aeb5fe9ba13c5c58dd2bf1b3f2c5e4052 100644 (file)
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -37,9 +37,10 @@ static void navman_read_int_callback(struct urb *urb)
        struct usb_serial_port *port = urb->context;
        unsigned char *data = urb->transfer_buffer;
        struct tty_struct *tty;
+       int status = urb->status;
        int result;
 
-       switch (urb->status) {
+       switch (status) {
        case 0:
                /* success */
                break;
@@ -48,11 +49,11 @@ static void navman_read_int_callback(struct urb *urb)
        case -ESHUTDOWN:
                /* this urb is terminated, clean up */
                dbg("%s - urb shutting down with status: %d",
-                   __FUNCTION__, urb->status);
+                   __FUNCTION__, status);
                return;
        default:
                dbg("%s - nonzero urb status received: %d",
-                   __FUNCTION__, urb->status);
+                   __FUNCTION__, status);
                goto exit;
        }