TTY: tty_io, remove buffer re-assignments

TTY buffer head and tail are initialized in tty_buffer_init. No need
to do it once again in initialize_tty_struct where tty_buffer_init is
called.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 44736f9e61d7..f105ce5c8e6e 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2933,7 +2933,6 @@ void initialize_tty_struct(struct tty_struct *tty,
         tty->session = NULL;
         tty->pgrp = NULL;
         tty->overrun_time = jiffies;
-        tty->buf.head = tty->buf.tail = NULL;
         tty_buffer_init(tty);
         mutex_init(&tty->termios_mutex);
         mutex_init(&tty->ldisc_mutex);