[src/trunk]: src/sys/dev/usb cache the pipe before the container is put in th...

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

details:   https://anonhg.NetBSD.org/src/rev/406f73779386
branches:  trunk
changeset: 784680:406f73779386
user:      christos <christos%NetBSD.org@localhost>
date:      Tue Feb 05 18:15:04 2013 +0000

description:
cache the pipe before the container is put in the free list (and can change)

diffstat:

 sys/dev/usb/if_urtwn.c |  7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diffs (35 lines):

diff -r 6b46050a08a8 -r 406f73779386 sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c    Tue Feb 05 17:52:22 2013 +0000
+++ b/sys/dev/usb/if_urtwn.c    Tue Feb 05 18:15:04 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_urtwn.c,v 1.19 2013/01/28 23:46:33 christos Exp $   */
+/*     $NetBSD: if_urtwn.c,v 1.20 2013/02/05 18:15:04 christos Exp $   */
 /*     $OpenBSD: if_urtwn.c,v 1.20 2011/11/26 06:39:33 ckuethe Exp $   */
 
 /*-
@@ -22,7 +22,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.19 2013/01/28 23:46:33 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.20 2013/02/05 18:15:04 christos Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -2117,6 +2117,7 @@
        struct urtwn_tx_data *data = priv;
        struct urtwn_softc *sc = data->sc;
        struct ifnet *ifp = &sc->sc_if;
+       usbd_pipe_handle pipe = data->pipe;
        int s;
 
        DPRINTFN(DBG_FN|DBG_TX, ("%s: %s: status=%d\n",
@@ -2135,7 +2136,7 @@
        if (__predict_false(status != USBD_NORMAL_COMPLETION)) {
                if (status != USBD_NOT_STARTED && status != USBD_CANCELLED) {
                        if (status == USBD_STALLED)
-                               usbd_clear_endpoint_stall_async(data->pipe);
+                               usbd_clear_endpoint_stall_async(pipe);
                        ifp->if_oerrors++;
                }
                splx(s);