diff options
| author | Rupesh Gujare <rgujare@ozmodevices.com> | 2012-07-23 18:49:45 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-13 19:17:17 -0700 |
| commit | 5494ebdf3c1ac634b133369736632be82a0255f8 (patch) | |
| tree | 4631ac87b740167e0939dd53dbe138d58ab5289f /drivers/staging/ozwpan/ozhcd.c | |
| parent | 24168911bedc23b02a0fa5043befa37580e6a9cb (diff) | |
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: Rupesh Gujare <rgujare@ozmodevices.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/ozwpan/ozhcd.c')
| -rw-r--r-- | drivers/staging/ozwpan/ozhcd.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c index 4ac1f2731861..76821cb6d25f 100644 --- a/drivers/staging/ozwpan/ozhcd.c +++ b/drivers/staging/ozwpan/ozhcd.c @@ -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 <= urb->transfer_buffer_length) - copy_len = data_len; - else - copy_len = urb->transfer_buffer_length; - if (copy_len) + if (data_len) { + if (data_len <= urb->transfer_buffer_length) + copy_len = data_len; + else + copy_len = urb->transfer_buffer_length; memcpy(urb->transfer_buffer, data, copy_len); - urb->actual_length = 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; |