add-tiocgdev-ioctl.patch

   1 --- linux-2.6-2.6.32/include/asm-generic/ioctls.h.org   2013-03-22 11:29:33.000000000 +0100
   2 +++ linux-2.6-2.6.32/include/asm-generic/ioctls.h       2013-03-22 11:29:38.000000000 +0100
   3 @@ -65,6 +65,7 @@
   4  #define TIOCSRS485     0x542F
   5  #define TIOCGPTN       _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
   6  #define TIOCSPTLCK     _IOW('T', 0x31, int)  /* Lock/unlock Pty */
   7 +#define TIOCGDEV        _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
   8  #define TCGETX         0x5432 /* SYS5 TCGETX compatibility */
   9  #define TCSETX         0x5433
  10  #define TCSETXF                0x5434
  11 --- linux-2.6-2.6.32/drivers/char/tty_io.c.org  2013-03-22 11:02:50.000000000 +0100
  12 +++ linux-2.6-2.6.32/drivers/char/tty_io.c      2013-03-22 11:30:34.000000000 +0100
  13 @@ -2617,6 +2617,11 @@
  14                 return put_user(tty->ldisc->ops->num, (int __user *)p);
  15         case TIOCSETD:
  16                 return tiocsetd(tty, p);
  17 +       case TIOCGDEV:
  18 +       {
  19 +               unsigned int ret = new_encode_dev(tty_devnum(real_tty));
  20 +               return put_user(ret, (unsigned int __user *)p);
  21 +       }
  22         /*
  23          * Break handling
  24          */