From 0407f1ce8fce8e93a249833617221c9905210e5b Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 19 Oct 2016 15:46:39 +0200 Subject: USB: serial: cp210x: return -EIO on short control transfers Return -EIO on short control transfers rather than -EPROTO which is used for lower-level transfer errors. Signed-off-by: Johan Hovold --- drivers/usb/serial/cp210x.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/usb/serial') diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index 66e095021512..f5ee4ba4b33b 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -401,7 +401,7 @@ static int cp210x_read_reg_block(struct usb_serial_port *port, u8 req, dev_err(&port->dev, "failed get req 0x%x size %d status: %d\n", req, bufsize, result); if (result >= 0) - result = -EPROTO; + result = -EIO; /* * FIXME Some callers don't bother to check for error, @@ -514,7 +514,7 @@ static int cp210x_write_reg_block(struct usb_serial_port *port, u8 req, dev_err(&port->dev, "failed set req 0x%x size %d status: %d\n", req, bufsize, result); if (result >= 0) - result = -EPROTO; + result = -EIO; } return result; @@ -682,7 +682,7 @@ static int cp210x_get_tx_queue_byte_count(struct usb_serial_port *port, } else { dev_err(&port->dev, "failed to get comm status: %d\n", result); if (result >= 0) - result = -EPROTO; + result = -EIO; } kfree(sts); -- cgit v1.2.3