diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index ee5a90f9adb5..005d91c63707 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2280,7 +2280,7 @@ static bool tty_legacy_tiocsti __read_mostly = IS_ENABLED(CONFIG_LEGACY_TIOCSTI) */ static int tiocsti(struct tty_struct *tty, char __user *p) { - char ch, mbz = 0; + char ch; struct tty_ldisc *ld; if (!tty_legacy_tiocsti && !capable(CAP_SYS_ADMIN)) @@ -2296,7 +2296,7 @@ static int tiocsti(struct tty_struct *tty, char __user *p) return -EIO; tty_buffer_lock_exclusive(tty->port); if (ld->ops->receive_buf) - ld->ops->receive_buf(tty, &ch, &mbz, 1); + ld->ops->receive_buf(tty, &ch, NULL, 1); tty_buffer_unlock_exclusive(tty->port); tty_ldisc_deref(ld); return 0; |