Raise SPL to IPL_NET in run_next_scan() to avoid splassert failures.

Problem found and fix tested by krw@.
ok krw@

diff --git a/sys/dev/usb/if_run.c b/sys/dev/usb/if_run.c
index 7759d6e..4da2468 100644 (file)
--- a/sys/dev/usb/if_run.c
+++ b/sys/dev/usb/if_run.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_run.c,v 1.132 2020/11/27 14:45:03 krw Exp $        */
+/*     $OpenBSD: if_run.c,v 1.133 2021/10/31 12:17:54 stsp Exp $       */
 
 /*-
  * Copyright (c) 2008-2010 Damien Bergamini <damien.bergamini@free.fr>
@@ -1701,14 +1701,17 @@ void
 run_next_scan(void *arg)
 {
        struct run_softc *sc = arg;
+       int s;
 
        if (usbd_is_dying(sc->sc_udev))
                return;
 
        usbd_ref_incr(sc->sc_udev);
 
+       s = splnet();
        if (sc->sc_ic.ic_state == IEEE80211_S_SCAN)
                ieee80211_next_scan(&sc->sc_ic.ic_if);
+       splx(s);
 
        usbd_ref_decr(sc->sc_udev);
 }