Message ID | 1490015233-4345-1-git-send-email-brenohl@br.ibm.com |
---|---|
State | New |
Headers | show |
diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 68947f6de5ad..4ee7742dced3 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -669,16 +669,17 @@ int tty_ldisc_reinit(struct tty_struct *tty, int disc) tty_ldisc_put(tty->ldisc); } - /* switch the line discipline */ - tty->ldisc = ld; tty_set_termios_ldisc(tty, disc); - retval = tty_ldisc_open(tty, tty->ldisc); + retval = tty_ldisc_open(tty, ld); if (retval) { if (!WARN_ON(disc == N_TTY)) { - tty_ldisc_put(tty->ldisc); - tty->ldisc = NULL; + tty_ldisc_put(ld); + ld = NULL; } } + + /* switch the line discipline */ + smp_store_release(&tty->ldisc, ld); return retval; }