Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

3 files changed, 20 insertions, 0 deletions

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 10d13856f86..1f2db647bb5 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -382,6 +382,7 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
                                         u8 *bssid,u8 *addr, u32 supp_rates)
 {
+        struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
         int band = local->hw.conf.channel->band;
@@ -397,6 +398,9 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
                 return NULL;
         }
 
+        if (ifibss->state == IEEE80211_IBSS_MLME_SEARCH)
+                return NULL;
+
         if (compare_ether_addr(bssid, sdata->u.ibss.bssid))
                 return NULL;
 
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 8834cc93c71..27ceaefd7bc 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1419,6 +1419,10 @@ static bool need_dynamic_ps(struct ieee80211_local *local)
         if (!local->ps_sdata)
                 return false;
 
+        /* No point if we're going to suspend */
+        if (local->quiescing)
+                return false;
+
         return true;
 }
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 78a6e924c7e..dc76267e436 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1039,7 +1039,19 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 
         /* restart hardware */
         if (local->open_count) {
+                /*
+                 * Upon resume hardware can sometimes be goofy due to
+                 * various platform / driver / bus issues, so restarting
+                 * the device may at times not work immediately. Propagate
+                 * the error.
+                 */
                 res = drv_start(local);
+                if (res) {
+                        WARN(local->suspended, "Harware became unavailable "
+                             "upon resume. This is could be a software issue"
+                             "prior to suspend or a harware issue\n");
+                        return res;
+                }
 
                 ieee80211_led_radio(local, true);
         }