staging: dgnc: remove some dead code from dgnc_tty.c

Remove some dead code that will never be executed or which serves no purpose

Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index ce4187f60cb457f70ca9f141e5a9f240e758b7e3..f954228a506440834d2ee63e046d8fe62f7d6e87 100644 (file)
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -428,9 +428,6 @@ void dgnc_tty_uninit(struct dgnc_board *brd)
        brd->PrintDriver.ttys = NULL;
 }
 
-
-#define TMPBUFLEN (1024)
-
 /*=======================================================================
  *
  *     dgnc_wmove - Write data to transmit queue.
@@ -555,15 +552,6 @@ void dgnc_input(struct channel_t *ch)
 
        ld = tty_ldisc_ref(tp);
 
-#ifdef TTY_DONT_FLIP
-       /*
-        * If the DONT_FLIP flag is on, don't flush our buffer, and act
-        * like the ld doesn't have any space to put the data right now.
-        */
-       if (test_bit(TTY_DONT_FLIP, &tp->flags))
-               len = 0;
-#endif
-
        /*
         * If we were unable to get a reference to the ld,
         * don't flush our buffer, and act like the ld doesn't
@@ -897,10 +885,6 @@ void dgnc_check_queue_flow_control(struct channel_t *ch)
                        ch->ch_stops_sent = 0;
                        ch->ch_bd->bd_ops->send_start_character(ch);
                }
-               /* No FLOW */
-               else {
-                       /* Nothing needed. */
-               }
        }
 }