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greybus: es2: drop short control-transfer checks

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

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210118144629.25533-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2021-01-18 15:46:29 +01:00 committed by Greg Kroah-Hartman
parent 7eecea89e4
commit e4240253ac
1 changed files with 2 additions and 7 deletions
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9
drivers/greybus/es2.c
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@ -567,12 +567,9 @@ static int cport_enable(struct gb_host_device *hd, u16 cport_id,
USB_DIR_OUT | USB_TYPE_VENDOR |
USB_RECIP_INTERFACE, cport_id, 0,
req, sizeof(*req), ES2_USB_CTRL_TIMEOUT);
if (ret != sizeof(*req)) {
if (ret < 0) {
dev_err(&udev->dev, "failed to set cport flags for port %d\n",
cport_id);
if (ret >= 0)
ret = -EIO;
goto out;
}
@ -961,12 +958,10 @@ static int arpc_send(struct es2_ap_dev *es2, struct arpc *rpc, int timeout)
0, 0,
rpc->req, le16_to_cpu(rpc->req->size),
ES2_USB_CTRL_TIMEOUT);
if (retval != le16_to_cpu(rpc->req->size)) {
if (retval < 0) {
dev_err(&udev->dev,
"failed to send ARPC request %d: %d\n",
rpc->req->type, retval);
if (retval > 0)
retval = -EIO;
return retval;
}