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USB: serial: upd78f0730: drop short control-transfer check 

There's no need to check for short control transfers when sending data
so remove the redundant sanity check.

Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2021-01-18 12:14:22 +01:00
parent f7de9b6426
commit 2dc0e7c375
1 changed files with 1 additions and 4 deletions
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5
drivers/usb/serial/upd78f0730.c
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@ -145,14 +145,11 @@ static int upd78f0730_send_ctl(struct usb_serial_port *port,
kfree(buf);
if (res != size) {
if (res < 0) {
struct device *dev = &port->dev;
dev_err(dev, "failed to send control request %02x: %d\n",
*(u8 *)data, res);
/* The maximum expected length of a transfer is 6 bytes */
if (res >= 0)
res = -EIO;
return res;
}