1 files changed, 18 insertions, 30 deletions

diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index b563e2ad872..01e811becec 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -9,9 +9,9 @@
  * the Free Software Foundation, version 2 of the License.
  *
  * Developed by:
- * 	VijayaKumar.G.N. <vijaykumar@aspirecom.net>
- *	AjayKumar <ajay@aspirecom.net>
- *	Gurudeva.N. <gurudev@aspirecom.net>
+ * 	Vijaya Kumar <vijaykumar.gn@gmail.com>
+ *	Ajay Kumar <naanuajay@yahoo.com>
+ *	Gurudeva <ngurudeva@yahoo.com>
  *
  * Cleaned up from the original by:
  *	Greg Kroah-Hartman <gregkh@suse.de>
@@ -103,18 +103,14 @@ static void mos7720_interrupt_callback(struct urb *urb)
 {
 	int result;
 	int length;
+	int status = urb->status;
 	__u8 *data;
 	__u8 sp1;
 	__u8 sp2;
 
 	dbg("%s"," : Entering\n");
 
-	if (!urb) {
-		dbg("%s","Invalid Pointer !!!!:\n");
-		return;
-	}
-
-	switch (urb->status) {
+	switch (status) {
 	case 0:
 		/* success */
 		break;
@@ -123,11 +119,11 @@ static void mos7720_interrupt_callback(struct urb *urb)
 	case -ESHUTDOWN:
 		/* this urb is terminated, clean up */
 		dbg("%s - urb shutting down with status: %d", __FUNCTION__,
-		    urb->status);
+		    status);
 		return;
 	default:
 		dbg("%s - nonzero urb status received: %d", __FUNCTION__,
-		    urb->status);
+		    status);
 		goto exit;
 	}
 
@@ -198,14 +194,15 @@ exit:
  */
 static void mos7720_bulk_in_callback(struct urb *urb)
 {
-	int status;
+	int retval;
 	unsigned char *data ;
 	struct usb_serial_port *port;
 	struct moschip_port *mos7720_port;
 	struct tty_struct *tty;
+	int status = urb->status;
 
-	if (urb->status) {
-		dbg("nonzero read bulk status received: %d",urb->status);
+	if (status) {
+		dbg("nonzero read bulk status received: %d", status);
 		return;
 	}
 
@@ -236,10 +233,10 @@ static void mos7720_bulk_in_callback(struct urb *urb)
 	if (port->read_urb->status != -EINPROGRESS) {
 		port->read_urb->dev = port->serial->dev;
 
-		status = usb_submit_urb(port->read_urb, GFP_ATOMIC);
-		if (status)
-			dbg("usb_submit_urb(read bulk) failed, status = %d",
-			    status);
+		retval = usb_submit_urb(port->read_urb, GFP_ATOMIC);
+		if (retval)
+			dbg("usb_submit_urb(read bulk) failed, retval = %d",
+			    retval);
 	}
 }
 
@@ -252,9 +249,10 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
 {
 	struct moschip_port *mos7720_port;
 	struct tty_struct *tty;
+	int status = urb->status;
 
-	if (urb->status) {
-		dbg("nonzero write bulk status received:%d", urb->status);
+	if (status) {
+		dbg("nonzero write bulk status received:%d", status);
 		return;
 	}
 
@@ -1235,16 +1233,6 @@ static void mos7720_set_termios(struct usb_serial_port *port,
 		return;
 	}
 
-	/* check that they really want us to change something */
-	if (old_termios) {
-		if ((cflag == old_termios->c_cflag) &&
-		    (RELEVANT_IFLAG(tty->termios->c_iflag) ==
-		     RELEVANT_IFLAG(old_termios->c_iflag))) {
-			dbg("Nothing to change");
-			return;
-		}
-	}
-
 	dbg("%s - clfag %08x iflag %08x", __FUNCTION__,
 	    tty->termios->c_cflag,
 	    RELEVANT_IFLAG(tty->termios->c_iflag));