tty: Remove redundant tty_wait_until_sent()

tty_ioctl() already waits until sent.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 9 deletions

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 4e46c1721b9d..1afe192bef6a 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -625,15 +625,6 @@ int tty_set_ldisc(struct tty_struct *tty, int ldisc)
                 return 0;
         }
 
-        tty_unlock(tty);
-        /*
-         *      Problem: What do we do if this blocks ?
-         *      We could deadlock here
-         */
-
-        tty_wait_until_sent(tty, 0);
-
-        tty_lock(tty);
         mutex_lock(&tty->ldisc_mutex);
 
         /*