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Diffstat (limited to 'drivers/tty/serial/sunsab.c')
| -rw-r--r-- | drivers/tty/serial/sunsab.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/sunsab.c b/drivers/tty/serial/sunsab.c index b9598b227a45..0af75f8b98a4 100644 --- a/drivers/tty/serial/sunsab.c +++ b/drivers/tty/serial/sunsab.c @@ -468,6 +468,9 @@ static void sunsab_send_xchar(struct uart_port *port, char ch) struct uart_sunsab_port *up = (struct uart_sunsab_port *) port; unsigned long flags; + if (ch == __DISABLED_CHAR) + return; + spin_lock_irqsave(&up->port.lock, flags); sunsab_tec_wait(up); |