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[src/trunk]: src/sys/dev/usb Use callout_halt and usb_rem_task_wait in run(4)...



details:   https://anonhg.NetBSD.org/src/rev/4078962305d9
branches:  trunk
changeset: 365044:4078962305d9
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Jul 29 02:01:22 2018 +0000

description:
Use callout_halt and usb_rem_task_wait in run(4) detach.

diffstat:

 sys/dev/usb/if_run.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 46080a930115 -r 4078962305d9 sys/dev/usb/if_run.c
--- a/sys/dev/usb/if_run.c      Sun Jul 29 02:01:11 2018 +0000
+++ b/sys/dev/usb/if_run.c      Sun Jul 29 02:01:22 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_run.c,v 1.27 2018/06/26 06:48:02 msaitoh Exp $      */
+/*     $NetBSD: if_run.c,v 1.28 2018/07/29 02:01:22 riastradh Exp $    */
 /*     $OpenBSD: if_run.c,v 1.90 2012/03/24 15:11:04 jsg Exp $ */
 
 /*-
@@ -23,7 +23,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_run.c,v 1.27 2018/06/26 06:48:02 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_run.c,v 1.28 2018/07/29 02:01:22 riastradh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_usb.h"
@@ -759,8 +759,10 @@
        sc->sc_flags |= RUN_DETACHING;
 
        if (ifp->if_flags & IFF_RUNNING) {
-               usb_rem_task(sc->sc_udev, &sc->sc_task);
                run_stop(ifp, 0);
+               callout_halt(&sc->scan_to, NULL);
+               callout_halt(&sc->calib_to, NULL);
+               usb_rem_task_wait(sc->sc_udev, &sc->sc_task, USB_TASKQ_DRIVER);
        }
 
        ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);



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