diff options
Diffstat (limited to 'drivers/usb/serial/pl2303.c')
| -rw-r--r-- | drivers/usb/serial/pl2303.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 8949c1891164..d93f5d584557 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -173,7 +173,7 @@ MODULE_DEVICE_TABLE(usb, id_table); #define PL2303_HXN_FLOWCTRL_RTS_CTS 0x18 #define PL2303_HXN_FLOWCTRL_XON_XOFF 0x0c -static void pl2303_set_break(struct usb_serial_port *port, bool enable); +static int pl2303_set_break(struct usb_serial_port *port, bool enable); enum pl2303_type { TYPE_H, @@ -1060,7 +1060,7 @@ static int pl2303_carrier_raised(struct usb_serial_port *port) return 0; } -static void pl2303_set_break(struct usb_serial_port *port, bool enable) +static int pl2303_set_break(struct usb_serial_port *port, bool enable) { struct usb_serial *serial = port->serial; u16 state; @@ -1077,15 +1077,19 @@ static void pl2303_set_break(struct usb_serial_port *port, bool enable) result = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), BREAK_REQUEST, BREAK_REQUEST_TYPE, state, 0, NULL, 0, 100); - if (result) + if (result) { dev_err(&port->dev, "error sending break = %d\n", result); + return result; + } + + return 0; } -static void pl2303_break_ctl(struct tty_struct *tty, int state) +static int pl2303_break_ctl(struct tty_struct *tty, int state) { struct usb_serial_port *port = tty->driver_data; - pl2303_set_break(port, state); + return pl2303_set_break(port, state); } static void pl2303_update_line_status(struct usb_serial_port *port, |