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From: Bernhard Schmidt <bschmidt@FreeBSD.org>
Date: Sat, 16 Apr 2011 07:21:00 +0000 (UTC)
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Subject: svn commit: r220688 - head/sys/dev/iwn
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Author: bschmidt
Date: Sat Apr 16 07:21:00 2011
New Revision: 220688
URL: http://svn.freebsd.org/changeset/base/220688

Log:
  Pass errors that might happen during state transitions up to net80211.

Modified:
  head/sys/dev/iwn/if_iwn.c

Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c	Sat Apr 16 07:17:03 2011	(r220687)
+++ head/sys/dev/iwn/if_iwn.c	Sat Apr 16 07:21:00 2011	(r220688)
@@ -1920,7 +1920,7 @@ iwn_newstate(struct ieee80211vap *vap, e
 	struct iwn_vap *ivp = IWN_VAP(vap);
 	struct ieee80211com *ic = vap->iv_ic;
 	struct iwn_softc *sc = ic->ic_ifp->if_softc;
-	int error;
+	int error = 0;
 
 	DPRINTF(sc, IWN_DEBUG_STATE, "%s: %s -> %s\n", __func__,
 		ieee80211_state_name[vap->iv_state],
@@ -1947,7 +1947,10 @@ iwn_newstate(struct ieee80211vap *vap, e
 		sc->rxon.filter &= ~htole32(IWN_FILTER_BSS);
 		sc->calib.state = IWN_CALIB_STATE_INIT;
 
-		error = iwn_auth(sc, vap);
+		if ((error = iwn_auth(sc, vap)) != 0) {
+			device_printf(sc->sc_dev,
+			    "%s: could not move to auth state\n", __func__);
+		}
 		break;
 
 	case IEEE80211_S_RUN:
@@ -1964,7 +1967,10 @@ iwn_newstate(struct ieee80211vap *vap, e
 		 * which is done with a firmware cmd.  We also defer
 		 * starting the timers until that work is done.
 		 */
-		error = iwn_run(sc, vap);
+		if ((error = iwn_run(sc, vap)) != 0) {
+			device_printf(sc->sc_dev,
+			    "%s: could not move to run state\n", __func__);
+		}
 		break;
 
 	case IEEE80211_S_INIT:
@@ -1976,6 +1982,8 @@ iwn_newstate(struct ieee80211vap *vap, e
 	}
 	IWN_UNLOCK(sc);
 	IEEE80211_LOCK(ic);
+	if (error != 0)
+		return error;
 	return ivp->iv_newstate(vap, nstate, arg);
 }