Return -EIO on short control transfers rather than -EPROTO which is used
for lower-level transfer errors.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/cp210x.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index be0a2ca06bfb..6eddfcbe310f 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);
--
2.7.3
--
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