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>

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 44736f9e61d71fa9d8ef58cc9bb57cf446f46dbe..f105ce5c8e6e47a517ea7983c2279725a99b7fc6 100644 (file)
--- 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);