[src/trunk]: src/sys/external/bsd/dwc2 Pass any error from dwc2_device_start ...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b29d3ddad1fd
branches:  trunk
changeset: 790302:b29d3ddad1fd
user:      skrll <skrll%NetBSD.org@localhost>
date:      Wed Oct 02 22:45:10 2013 +0000

description:
Pass any error from dwc2_device_start upwards.

diffstat:

 sys/external/bsd/dwc2/dwc2.c |  26 ++++++++++++++++++--------
 1 files changed, 18 insertions(+), 8 deletions(-)

diffs (94 lines):

diff -r ac1fb710b3ed -r b29d3ddad1fd sys/external/bsd/dwc2/dwc2.c
--- a/sys/external/bsd/dwc2/dwc2.c      Wed Oct 02 22:07:56 2013 +0000
+++ b/sys/external/bsd/dwc2/dwc2.c      Wed Oct 02 22:45:10 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: dwc2.c,v 1.7 2013/09/27 22:03:01 skrll Exp $   */
+/*     $NetBSD: dwc2.c,v 1.8 2013/10/02 22:45:10 skrll Exp $   */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dwc2.c,v 1.7 2013/09/27 22:03:01 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dwc2.c,v 1.8 2013/10/02 22:45:10 skrll Exp $");
 
 #include "opt_usb.h"
 
@@ -968,14 +968,18 @@
 dwc2_device_ctrl_start(usbd_xfer_handle xfer)
 {
        struct dwc2_softc *sc = DWC2_XFER2SC(xfer);
+       usbd_status err;
 
        DPRINTF("\n");
 
        mutex_enter(&sc->sc_lock);
        xfer->status = USBD_IN_PROGRESS;
-       dwc2_device_start(xfer);
+       err = dwc2_device_start(xfer);
        mutex_exit(&sc->sc_lock);
 
+       if (err)
+               return err;
+
        if (sc->sc_bus.use_polling)
                dwc2_waitintr(sc, xfer);
 
@@ -1034,14 +1038,15 @@
 dwc2_device_bulk_start(usbd_xfer_handle xfer)
 {
        struct dwc2_softc *sc = DWC2_XFER2SC(xfer);
+       usbd_status err;
 
        DPRINTF("xfer=%p\n", xfer);
        mutex_enter(&sc->sc_lock);
        xfer->status = USBD_IN_PROGRESS;
-       dwc2_device_start(xfer);
+       err = dwc2_device_start(xfer);
        mutex_exit(&sc->sc_lock);
 
-       return USBD_IN_PROGRESS;
+       return err;
 }
 
 Static void
@@ -1099,12 +1104,16 @@
        struct dwc2_pipe *dpipe = (struct dwc2_pipe *)xfer->pipe;
        usbd_device_handle dev = dpipe->pipe.device;
        struct dwc2_softc *sc = dev->bus->hci_private;
+       usbd_status err;
 
        mutex_enter(&sc->sc_lock);
        xfer->status = USBD_IN_PROGRESS;
-       dwc2_device_start(xfer);
+       err = dwc2_device_start(xfer);
        mutex_exit(&sc->sc_lock);
 
+       if (err)
+               return err;
+
        if (sc->sc_bus.use_polling)
                dwc2_waitintr(sc, xfer);
 
@@ -1177,16 +1186,17 @@
        struct dwc2_pipe *dpipe = (struct dwc2_pipe *)xfer->pipe;
        usbd_device_handle dev = dpipe->pipe.device;
        struct dwc2_softc *sc = dev->bus->hci_private;
+       usbd_status err;
 
        mutex_enter(&sc->sc_lock);
        xfer->status = USBD_IN_PROGRESS;
-       dwc2_device_start(xfer);
+       err = dwc2_device_start(xfer);
        mutex_exit(&sc->sc_lock);
 
        if (sc->sc_bus.use_polling)
                dwc2_waitintr(sc, xfer);
 
-       return USBD_IN_PROGRESS;
+       return err;
 }
 
 void