USB: serial: empeg: 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: Gary Brubaker <xavyer@ix.netcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 9 insertions, 5 deletions

diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 4703c8f85383..050fcc996f56 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -326,12 +326,14 @@ static int empeg_chars_in_buffer (struct usb_serial_port *port)
 
 static void empeg_write_bulk_callback (struct urb *urb)
 {
-        struct usb_serial_port *port = (struct usb_serial_port *)urb->context;
+        struct usb_serial_port *port = urb->context;
+        int status = urb->status;
 
         dbg("%s - port %d", __FUNCTION__, port->number);
 
-        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);
                 return;
         }
 
@@ -345,11 +347,13 @@ static void empeg_read_bulk_callback (struct urb *urb)
         struct tty_struct *tty;
         unsigned char *data = urb->transfer_buffer;
         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;
         }