From 33148d507f836a1d23e502b4d8dd8dddf1cf5ea3 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes@sipsolutions.net>
Date: Fri, 8 May 2009 21:21:06 +0200
Subject: [PATCH] --- yaml --- r: 150266 b: refs/heads/master c:
 413ad50a5c15f3bae8075c15b101679f05c37a69 h: refs/heads/master v: v3

---
 [refs]                           | 2 +-
 trunk/net/mac80211/ieee80211_i.h | 6 ++++++
 trunk/net/mac80211/mlme.c        | 7 ++++++-
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index cb7111090498..df5838aa23e5 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9ed6bcce77f75d98af6ee07069deac6041948bee
+refs/heads/master: 413ad50a5c15f3bae8075c15b101679f05c37a69
diff --git a/trunk/net/mac80211/ieee80211_i.h b/trunk/net/mac80211/ieee80211_i.h
index 03e0d22603c8..081c57427308 100644
--- a/trunk/net/mac80211/ieee80211_i.h
+++ b/trunk/net/mac80211/ieee80211_i.h
@@ -427,6 +427,12 @@ struct ieee80211_sub_if_data {
 
 	int drop_unencrypted;
 
+	/*
+	 * keep track of whether the HT opmode (stored in
+	 * vif.bss_info.ht_operation_mode) is valid.
+	 */
+	bool ht_opmode_valid;
+
 	/* Fragment table for host-based reassembly */
 	struct ieee80211_fragment_entry	fragments[IEEE80211_FRAGMENT_MAX];
 	unsigned int fragment_next;
diff --git a/trunk/net/mac80211/mlme.c b/trunk/net/mac80211/mlme.c
index a1f2332a6fed..6d00e3f738c0 100644
--- a/trunk/net/mac80211/mlme.c
+++ b/trunk/net/mac80211/mlme.c
@@ -155,9 +155,11 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 	ht_opmode = le16_to_cpu(hti->operation_mode);
 
 	/* if bss configuration changed store the new one */
-	if (sdata->vif.bss_conf.ht_operation_mode != ht_opmode) {
+	if (!sdata->ht_opmode_valid ||
+	    sdata->vif.bss_conf.ht_operation_mode != ht_opmode) {
 		changed |= BSS_CHANGED_HT;
 		sdata->vif.bss_conf.ht_operation_mode = ht_opmode;
+		sdata->ht_opmode_valid = true;
 	}
 
 	return changed;
@@ -1047,6 +1049,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
 	/* channel(_type) changes are handled by ieee80211_hw_config */
 	local->oper_channel_type = NL80211_CHAN_NO_HT;
 
+	/* on the next assoc, re-program HT parameters */
+	sdata->ht_opmode_valid = false;
+
 	local->power_constr_level = 0;
 
 	del_timer_sync(&local->dynamic_ps_timer);