3.6-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johannes Berg <[email protected]>

commit 20f544eea03db4b498942558b882d463ce575c3e upstream.

On resume or firmware recovery, mac80211 sends a null
data packet to see if the AP is still around and hasn't
disconnected us. However, it always does this even if
it wasn't even connected before, leading to a warning
in the new channel context code. Fix this by checking
that it's associated.

Reviewed-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 net/mac80211/util.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1434,6 +1434,8 @@ int ieee80211_reconfig(struct ieee80211_
                list_for_each_entry(sdata, &local->interfaces, list) {
                        if (sdata->vif.type != NL80211_IFTYPE_STATION)
                                continue;
+                       if (!sdata->u.mgd.associated)
+                               continue;
 
                        ieee80211_send_nullfunc(local, sdata, 0);
                }


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