Remove dead code from tty_io.c release_dev()
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 {
        struct tty_struct *tty, *o_tty;
        int     pty_master, tty_closing, o_tty_closing, do_sleep;
-       int     devpts_master, devpts;
+       int     devpts;
        int     idx;
        char    buf[64];
        unsigned long flags;
        pty_master = (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
                      tty->driver->subtype == PTY_TYPE_MASTER);
        devpts = (tty->driver->flags & TTY_DRIVER_DEVPTS_MEM) != 0;
-       devpts_master = pty_master && devpts;
        o_tty = tty->link;
 
 #ifdef TTY_PARANOIA_CHECK