Fix port-settings error handling in order to detect a short transfer. Note that this currently only implies that an error is logged.
Signed-off-by: Johan Hovold <[email protected]> --- drivers/usb/serial/kl5kusb105.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c index 595415e59d5d..9b27f3d6029f 100644 --- a/drivers/usb/serial/kl5kusb105.c +++ b/drivers/usb/serial/kl5kusb105.c @@ -138,9 +138,11 @@ static int klsi_105_chg_port_settings(struct usb_serial_port *port, settings, sizeof(struct klsi_105_port_settings), KLSI_TIMEOUT); - if (rc < 0) - dev_err(&port->dev, - "Change port settings failed (error = %d)\n", rc); + if (rc < sizeof(*settings)) { + dev_err(&port->dev, "failed to change port settings: %d\n", rc); + if (rc >= 0) + rc = -EIO; + } dev_dbg(&port->dev, "pktlen %u, baudrate 0x%02x, databits %u, u1 %u, u2 %u\n", -- 2.10.2 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
