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[src-draft/trunk]: src/sys/dev/usb Must stop the device on detach to abort an...



details:   https://anonhg.NetBSD.org/src-all/rev/1475b8bdb63e
branches:  trunk
changeset: 951750:1475b8bdb63e
user:      Nathanial Sloss <nat%netbsd.org@localhost>
date:      Sun Aug 16 10:48:24 2020 +1000

description:
Must stop the device on detach to abort any usb xfers.

diffstat:

 sys/dev/usb/if_urtwn.c |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (21 lines):

diff -r 1269d6f10c2f -r 1475b8bdb63e sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c    Sun Aug 16 10:07:55 2020 +1000
+++ b/sys/dev/usb/if_urtwn.c    Sun Aug 16 10:48:24 2020 +1000
@@ -628,6 +628,7 @@
 {
        struct urtwn_softc *sc = device_private(self);
        struct ieee80211com *ic = &sc->sc_ic;
+       struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps);
        int s;
 
        DPRINTFN(DBG_FN, ("%s: %s\n", device_xname(sc->sc_dev), __func__));
@@ -638,6 +639,9 @@
 
        sc->sc_dying = 1;
 
+       if (vap != NULL)
+               urtwn_stop(vap->iv_ifp, 1);
+
        callout_halt(&sc->sc_scan_to, NULL);
        callout_halt(&sc->sc_calib_to, NULL);
 



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