Do not truncate possible remaining transfer length.

Reported by Takahiro HAYASHI on bugs@, thanks!

diff --git a/sys/dev/usb/xhci.c b/sys/dev/usb/xhci.c
index 774bd87..69a6159 100644 (file)
--- a/sys/dev/usb/xhci.c
+++ b/sys/dev/usb/xhci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: xhci.c,v 1.58 2015/01/21 14:02:33 mpi Exp $ */
+/* $OpenBSD: xhci.c,v 1.59 2015/04/19 11:12:58 mpi Exp $ */
 
 /*
  * Copyright (c) 2014-2015 Martin Pieuchot
@@ -714,7 +714,8 @@ xhci_event_xfer(struct xhci_softc *sc, uint64_t paddr, uint32_t status,
        struct xhci_pipe *xp;
        struct usbd_xfer *xfer;
        struct xhci_xfer *xx;
-       uint8_t dci, slot, code, remain;
+       uint8_t dci, slot, code;
+       uint32_t remain;
        int trb_idx;
 
        slot = XHCI_TRB_GET_SLOT(flags);