USB: musb: respect usb_request->zero in control requests

[safe/jmp/linux-2.6] / drivers / usb / musb / musb_gadget_ep0.c

diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index 7a67786..522efb3 100644 (file)
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -511,7 +511,8 @@ static void ep0_txstate(struct musb *musb)
 
        /* update the flags */
        if (fifo_count < MUSB_MAX_END0_PACKET
-                       || request->actual == request->length) {
+                       || (request->actual == request->length
+                               && !request->zero)) {
                musb->ep0_state = MUSB_EP0_STAGE_STATUSOUT;
                csr |= MUSB_CSR0_P_DATAEND;
        } else