From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 28 Mar 2010 18:35:19 +0000 (+0000)
Subject: madwifi: return to the bss channel after an issued ap mode scan has been completed... 
X-Git-Tag: v19.07.0-rc1~31058
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=655e90d7064778e8f3db6c2738541d195785bfba;p=openwrt%2Fstaging%2Fhauke.git

madwifi: return to the bss channel after an issued ap mode scan has been completed (fixes #6599)

SVN-Revision: 20549
---

diff --git a/package/madwifi/patches/462-fix_ap_scan.patch b/package/madwifi/patches/462-fix_ap_scan.patch
new file mode 100644
index 0000000000..8a14f5b662
--- /dev/null
+++ b/package/madwifi/patches/462-fix_ap_scan.patch
@@ -0,0 +1,26 @@
+--- a/net80211/ieee80211_scan_ap.c
++++ b/net80211/ieee80211_scan_ap.c
+@@ -595,6 +595,14 @@ ap_end(struct ieee80211_scan_state *ss, 
+ 
+ 	ic = vap->iv_ic;
+ 
++	/* if we're already running, switch back to the home channel */
++	if ((vap->iv_state == IEEE80211_S_RUN) &&
++	    (ic->ic_bsschan != IEEE80211_CHAN_ANYC)) {
++		ic->ic_curchan = ic->ic_bsschan;
++		ic->ic_set_channel(ic);
++		goto out;
++	}
++
+ 	/* record stats for the channel that was scanned last */
+ 	ic->ic_set_channel(ic);
+ 	spin_lock_irqsave(&channel_lock, sflags);
+@@ -648,6 +656,8 @@ ap_end(struct ieee80211_scan_state *ss, 
+ 		IEEE80211_SCHEDULE_TQUEUE(&as->as_actiontq);
+ 		res = 1;
+ 	}
++
++out:
+ 	SCAN_AP_UNLOCK_IRQ(as);
+ 	return res;
+ }