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Date:      Thu, 2 Jun 2016 04:54:56 +0000 (UTC)
From:      Adrian Chadd <adrian@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r301190 - head/sys/dev/iwm
Message-ID:  <201606020454.u524susg008291@repo.freebsd.org>
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Author: adrian
Date: Thu Jun  2 04:54:56 2016
New Revision: 301190
URL: https://svnweb.freebsd.org/changeset/base/301190

Log:
  [iwm] Clean up iwm(4) scanning logic a bit.
  
  Submitted by:	Imre Vadasz <imre@vdsz.com>
  Obtained from:	DragonflyBSD 8f3ffab9136e33263d424275ec28f57ad2096437

Modified:
  head/sys/dev/iwm/if_iwm.c
  head/sys/dev/iwm/if_iwm_scan.c

Modified: head/sys/dev/iwm/if_iwm.c
==============================================================================
--- head/sys/dev/iwm/if_iwm.c	Thu Jun  2 04:53:28 2016	(r301189)
+++ head/sys/dev/iwm/if_iwm.c	Thu Jun  2 04:54:56 2016	(r301190)
@@ -3642,7 +3642,8 @@ iwm_endscan_cb(void *arg, int pending)
 		done = 0;
 		if ((error = iwm_mvm_scan_request(sc,
 		    IEEE80211_CHAN_5GHZ, 0, NULL, 0)) != 0) {
-			device_printf(sc->sc_dev, "could not initiate scan\n");
+			device_printf(sc->sc_dev,
+			    "could not initiate 5 GHz scan\n");
 			done = 1;
 		}
 	} else {
@@ -4883,9 +4884,10 @@ iwm_scan_start(struct ieee80211com *ic)
 	IWM_LOCK(sc);
 	error = iwm_mvm_scan_request(sc, IEEE80211_CHAN_2GHZ, 0, NULL, 0);
 	if (error) {
-		device_printf(sc->sc_dev, "could not initiate scan\n");
+		device_printf(sc->sc_dev, "could not initiate 2 GHz scan\n");
 		IWM_UNLOCK(sc);
 		ieee80211_cancel_scan(vap);
+		sc->sc_scanband = 0;
 	} else {
 		iwm_led_blink_start(sc);
 		IWM_UNLOCK(sc);

Modified: head/sys/dev/iwm/if_iwm_scan.c
==============================================================================
--- head/sys/dev/iwm/if_iwm_scan.c	Thu Jun  2 04:53:28 2016	(r301189)
+++ head/sys/dev/iwm/if_iwm_scan.c	Thu Jun  2 04:54:56 2016	(r301190)
@@ -443,7 +443,6 @@ iwm_mvm_scan_request(struct iwm_softc *s
 		 * to allocate the time events. Warn on it, but maybe we
 		 * should try to send the command again with different params.
 		 */
-		sc->sc_scanband = 0;
 		ret = EIO;
 	}
 	return ret;

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