USB: serial: safe_serial: 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: Stuart Lynne <sl@lineo.com>
Cc: Tom Rushworth <tbr@lineo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/serial/safe_serial.c b/drivers/usb/serial/safe_serial.c
index 5a03a3fc938693b1056031dd046015d1ce9d6631..86899d55d8d818fcc0b81e7cd0a67c2d7ec19c0b 100644 (file)
--- a/drivers/usb/serial/safe_serial.c
+++ b/drivers/usb/serial/safe_serial.c
@@ -211,11 +211,13 @@ static void safe_read_bulk_callback (struct urb *urb)
        unsigned char length = urb->actual_length;
        int i;
        int result;
+       int status = urb->status;
 
        dbg ("%s", __FUNCTION__);
 
-       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;
        }