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ndis_scan_results() can sleep if the scan results are not ready when

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ndis_scan() is called.  However, ndis_scan() is invoked from softclock()
and cannot sleep.  Move ndis_scan_results() to the ndis' driver's scan_end
hook instead.

Submitted by:	Paul B Mahol  onemda of gmail
MFC after:	1 week
This commit is contained in:
John Baldwin 2009-12-02 16:26:18 +00:00
parent 645275a641
commit 6b5ba0bba3
1 changed files with 5 additions and 9 deletions
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14
sys/dev/if_ndis/if_ndis.c
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@ -3222,14 +3222,8 @@ ndis_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
static void
ndis_scan(void *arg)
{
struct ndis_softc *sc = arg;
struct ieee80211com *ic;
struct ieee80211vap *vap;
struct ieee80211vap *vap = arg;
ic = sc->ifp->if_l2com;
vap = TAILQ_FIRST(&ic->ic_vaps);
ndis_scan_results(sc);
ieee80211_scan_done(vap);
}
@ -3377,7 +3371,7 @@ ndis_scan_start(struct ieee80211com *ic)
return;
}
/* Set a timer to collect the results */
callout_reset(&sc->ndis_scan_callout, hz * 3, ndis_scan, sc);
callout_reset(&sc->ndis_scan_callout, hz * 3, ndis_scan, vap);
}
static void
@ -3401,5 +3395,7 @@ ndis_scan_mindwell(struct ieee80211_scan_state *ss)
static void
ndis_scan_end(struct ieee80211com *ic)
{
/* ignore */
struct ndis_softc *sc = ic->ic_ifp->if_softc;
ndis_scan_results(sc);
}