[src/netbsd-9]: src/sys/dev/usb Pull up following revision(s) (requested by m...

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

details:   https://anonhg.NetBSD.org/src/rev/38ef6cbed62e
branches:  netbsd-9
changeset: 964027:38ef6cbed62e
user:      martin <martin%NetBSD.org@localhost>
date:      Sat Jul 18 15:09:28 2020 +0000

description:
Pull up following revision(s) (requested by mrg in ticket #1020):

        sys/dev/usb/usbdi.c: revision 1.203

for both usbd_transfer() and usbd_ar_pipe() be sure to reset the
xfer ux_state to XFER_BUSY when removing from the queue.
seems to fix an occasional panic i was seeing on pinebook and
pinebookpro lately with axen(4).

from riastradh@.

XXX: pullup-9.

diffstat:

 sys/dev/usb/usbdi.c |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (38 lines):

diff -r 0c302e78fcb3 -r 38ef6cbed62e sys/dev/usb/usbdi.c
--- a/sys/dev/usb/usbdi.c       Sat Jul 18 14:53:35 2020 +0000
+++ b/sys/dev/usb/usbdi.c       Sat Jul 18 15:09:28 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usbdi.c,v 1.182.4.4 2020/04/03 12:27:55 martin Exp $   */
+/*     $NetBSD: usbdi.c,v 1.182.4.5 2020/07/18 15:09:28 martin Exp $   */
 
 /*
  * Copyright (c) 1998, 2012, 2015 The NetBSD Foundation, Inc.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.182.4.4 2020/04/03 12:27:55 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usbdi.c,v 1.182.4.5 2020/07/18 15:09:28 martin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -337,6 +337,9 @@
                USBHIST_LOG(usbdebug, "xfer failed: %s, reinserting",
                    err, 0, 0, 0);
                usbd_lock_pipe(pipe);
+#ifdef DIAGNOSTIC
+               xfer->ux_state = XFER_BUSY;
+#endif
                SIMPLEQ_REMOVE_HEAD(&pipe->up_queue, ux_next);
                if (pipe->up_serialise)
                        usbd_start_next(pipe);
@@ -892,6 +895,9 @@
                    "(methods = %#jx)", (uintptr_t)pipe, (uintptr_t)xfer,
                    (uintptr_t)pipe->up_methods, 0);
                if (xfer->ux_status == USBD_NOT_STARTED) {
+#ifdef DIAGNOSTIC
+                       xfer->ux_state = XFER_BUSY;
+#endif
                        SIMPLEQ_REMOVE_HEAD(&pipe->up_queue, ux_next);
                } else {
                        /* Make the HC abort it (and invoke the callback). */