if (copy_from_user(&addr,
                                   (void __user *) arg, AX25_ADDR_LEN)) {
-                       err = -EFAULT;
-                       break;
-               }
+                               err = -EFAULT;
+                               break;
+                       }
 
-               netif_tx_lock_bh(dev);
-               memcpy(dev->dev_addr, &addr, AX25_ADDR_LEN);
-               netif_tx_unlock_bh(dev);
+                       netif_tx_lock_bh(dev);
+                       memcpy(dev->dev_addr, &addr, AX25_ADDR_LEN);
+                       netif_tx_unlock_bh(dev);
 
-               err = 0;
-               break;
-       }
-
-       /* Allow stty to read, but not set, the serial port */
-       case TCGETS:
-       case TCGETA:
-               err = n_tty_ioctl(tty, (struct file *) file, cmd, arg);
-               break;
+                       err = 0;
+                       break;
+               }
 
        default:
-               err = -ENOIOCTLCMD;
+               err = tty_mode_ioctl(tty, file, cmd, arg);
        }
 
        sp_put(sp);
 
        IRDA_ASSERT(dev != NULL, return -1;);
 
        switch (cmd) {
-       case TCGETS:
-       case TCGETA:
-               err = n_tty_ioctl(tty, file, cmd, arg);
-               break;
-
        case IRTTY_IOCTDONGLE:
                /* this call blocks for completion */
                err = sirdev_set_dongle(dev, (IRDA_DONGLE) arg);
                        err = -EFAULT;
                break;
        default:
-               err = -ENOIOCTLCMD;
+               err = tty_mode_ioctl(tty, file, cmd, arg);
                break;
        }
        return err;
 
                err = 0;
                break;
 
-       case TCGETS:
-       case TCGETA:
-               err = n_tty_ioctl(tty, file, cmd, arg);
-               break;
-
        case TCFLSH:
                /* flush our buffers and the serial port's buffer */
                if (arg == TCIOFLUSH || arg == TCOFLUSH)
                        ppp_async_flush_output(ap);
-               err = n_tty_ioctl(tty, file, cmd, arg);
+               err = tty_perform_flush(tty, arg);
                break;
 
        case FIONREAD:
                break;
 
        default:
-               err = -ENOIOCTLCMD;
+               /* Try the various mode ioctls */
+               err = tty_mode_ioctl(tty, file, cmd, arg);
        }
 
        ap_put(ap);
 
                err = 0;
                break;
 
-       case TCGETS:
-       case TCGETA:
-               err = n_tty_ioctl(tty, file, cmd, arg);
-               break;
-
        case TCFLSH:
                /* flush our buffers and the serial port's buffer */
                if (arg == TCIOFLUSH || arg == TCOFLUSH)
                        ppp_sync_flush_output(ap);
-               err = n_tty_ioctl(tty, file, cmd, arg);
+               err = tty_perform_flush(tty, arg);
                break;
 
        case FIONREAD:
                break;
 
        default:
-               err = -ENOIOCTLCMD;
+               err = tty_mode_ioctl(tty, file, cmd, arg);
+               break;
        }
 
        sp_put(ap);
 
                return 0;
        /* VSV changes end */
 #endif
-
-       /* Allow stty to read, but not set, the serial port */
-       case TCGETS:
-       case TCGETA:
-               return n_tty_ioctl(tty, file, cmd, arg);
-
        default:
-               return -ENOIOCTLCMD;
+               return tty_mode_ioctl(tty, file, cmd, arg);
        }
 }
 
 
                return 0;
        case SIOCSIFHWADDR:
                return -EINVAL;
-       /* Allow stty to read, but not set, the serial port */
-       case TCGETS:
-       case TCGETA:
-               return n_tty_ioctl(tty, file, cmd, arg);
        default:
-               return -ENOIOCTLCMD;
+               return tty_mode_ioctl(tty, file, cmd, arg);
        }
 }
 
 
                        return -EFAULT;
                return set_mac_address(strip_info, &addr);
        }
-       /*
-        * Allow stty to read, but not set, the serial port
-        */
-
-       case TCGETS:
-       case TCGETA:
-               return n_tty_ioctl(tty, file, cmd, arg);
-               break;
        default:
-               return -ENOIOCTLCMD;
+               return tty_mode_ioctl(tty, file, cmd, arg);
                break;
        }
        return 0;