diff options
Diffstat (limited to 'drivers/tty/serial/sunhv.c')
| -rw-r--r-- | drivers/tty/serial/sunhv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index 20521db2189f..25d43ce8b318 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -268,6 +268,9 @@ static void sunhv_send_xchar(struct uart_port *port, char ch) unsigned long flags; int limit = 10000; + if (ch == __DISABLED_CHAR) + return; + spin_lock_irqsave(&port->lock, flags); while (limit-- > 0) { |