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Commit 5494ebdf authored by Rupesh Gujare's avatar Rupesh Gujare Committed by Greg Kroah-Hartman
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staging: ozwpan: Return correct actual_length to userland 



This fixes issue where wrong retrun value was received
by userland application after writing data to raw hid device.

Signed-off-by: default avatarRupesh Gujare <rgujare@ozmodevices.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 24168911

drivers/staging/ozwpan/ozhcd.c

+8 −6
Original line number Diff line number Diff line
@@ -933,13 +933,14 @@ void oz_hcd_control_cnf(void *hport, u8 req_id, u8 rcode, u8 *data, 
	} else {

		int copy_len;

		oz_trace("VENDOR-CLASS - cnf\n");

		if (data_len) {

			if (data_len <= urb->transfer_buffer_length)

				copy_len = data_len;

			else

				copy_len = urb->transfer_buffer_length;

		if (copy_len)

			memcpy(urb->transfer_buffer, data, copy_len);

			urb->actual_length = copy_len;

		}

		oz_complete_urb(hcd, urb, 0, 0);

	}

}
@@ -1517,6 +1518,7 @@ static void oz_process_ep0_urb(struct oz_hcd *ozhcd, struct urb *urb, 
		int data_len = 0;

		if ((setup->bRequestType & USB_DIR_IN) == 0)

			data_len = wlength;

		urb->actual_length = data_len;

		if (oz_usb_control_req(port->hpd, req_id, setup,

				urb->transfer_buffer, data_len)) {

			rc = -ENOMEM;