From c9b22fb87a00ceb8afa78089d5cf676cf8b3319d Mon Sep 17 00:00:00 2001
From: Eliad Peller <eliad@wizery.com>
Date: Mon, 25 Jun 2012 10:48:25 +0300
Subject: [PATCH] mac80211: don't require associated->beacon_ies for ps

beacon_ies is needed only in order to extract the dtim
period. However, even if it's missing we can still enter
ps with dtim=1 (which also happens if the TIM ie is invalid).

Most drivers don't use conf.max_sleep_period/ps_dtim_period
anyway, and this check prevents them from entering ps if
they don't have beacon (but only probe response), even though
the beacon is not needed at all.

Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
 net/mac80211/mlme.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index c54388b3ebff..398acc4f649d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -902,9 +902,6 @@ static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata)
 	if (!mgd->associated)
 		return false;
 
-	if (!mgd->associated->beacon_ies)
-		return false;
-
 	if (mgd->flags & (IEEE80211_STA_BEACON_POLL |
 			  IEEE80211_STA_CONNECTION_POLL))
 		return false;