USB: ftdi_sio: use error code from usb stack in read_latency_timer

Use same semantics as for write_latency_timer.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 44c5b7717fe8..ec901ed5d93c 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -1193,10 +1193,9 @@ static int read_latency_timer(struct usb_serial_port *port)
                              0, priv->interface,
                              (char *) &latency, 1, WDR_TIMEOUT);
 
-        if (rv < 0) {
+        if (rv < 0)
                 dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
-                return -EIO;
-        } else
+        else
                 priv->latency = latency;
         return rv;
 }