Fixes occasional urb submitted while active. Even thought the fMP_CONTROL_WRITES/fMP_CONTROL_READS flags are cleared in the return context urb->hcpriv is not NULL. check for hcpriv and return STATUS_FAILURE if not NULL. Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx> --- drivers/staging/vt6656/usbpipe.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/staging/vt6656/usbpipe.c b/drivers/staging/vt6656/usbpipe.c index 3a03f1d..37bcb18 100644 --- a/drivers/staging/vt6656/usbpipe.c +++ b/drivers/staging/vt6656/usbpipe.c @@ -118,6 +118,9 @@ int PIPEnsControlOut(struct vnt_private *pDevice, u8 byRequest, u16 wValue, if (pDevice->Flags & fMP_CONTROL_READS) return STATUS_FAILURE; + if (pDevice->pControlURB->hcpriv) + return STATUS_FAILURE; + MP_SET_FLAG(pDevice, fMP_CONTROL_WRITES); pDevice->sUsbCtlRequest.bRequestType = 0x40; @@ -177,6 +180,9 @@ int PIPEnsControlIn(struct vnt_private *pDevice, u8 byRequest, u16 wValue, if (pDevice->Flags & fMP_CONTROL_WRITES) return STATUS_FAILURE; + if (pDevice->pControlURB->hcpriv) + return STATUS_FAILURE; + MP_SET_FLAG(pDevice, fMP_CONTROL_READS); pDevice->sUsbCtlRequest.bRequestType = 0xC0; -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
