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| author | Johan Hovold <johan@kernel.org> | 2016-10-19 15:46:39 +0200 |
|---|---|---|
| committer | Johan Hovold <johan@kernel.org> | 2016-10-24 12:00:19 +0200 |
| commit | 0407f1ce8fce8e93a249833617221c9905210e5b (patch) | |
| tree | 5d59b91c6d8fc7f2c8c33ba81c26ddfcd047de4d /drivers/usb/serial | |
| parent | USB: serial: cp210x: clean up CSIZE handling (diff) | |
| download | linux-0407f1ce8fce8e93a249833617221c9905210e5b.tar.xz linux-0407f1ce8fce8e93a249833617221c9905210e5b.zip | |
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 <johan@kernel.org>
Diffstat (limited to 'drivers/usb/serial')
| -rw-r--r-- | drivers/usb/serial/cp210x.c | 6 |
1 files changed, 3 insertions, 3 deletions
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); |