There's no need to check for short control transfers when sending data so remove the redundant sanity checks. Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> --- drivers/usb/serial/cp210x.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 4f90573c0d2b..360398665c17 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -674,16 +674,13 @@ static int cp210x_write_reg_block(struct usb_serial_port *port, u8 req, kfree(dmabuf); - if (result == bufsize) { - result = 0; - } else { + if (result < 0) { dev_err(&port->dev, "failed set req 0x%x size %d status: %d\n", req, bufsize, result); - if (result >= 0) - result = -EIO; + return result; } - return result; + return 0; } /* @@ -720,17 +717,14 @@ static int cp210x_write_vendor_block(struct usb_serial *serial, u8 type, kfree(dmabuf); - if (result == bufsize) { - result = 0; - } else { + if (result < 0) { dev_err(&serial->interface->dev, "failed to set vendor val 0x%04x size %d: %d\n", val, bufsize, result); - if (result >= 0) - result = -EIO; + return result; } - return result; + return 0; } #endif -- 2.26.2