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mac80211: don't require associated->beacon_ies for ps

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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>
This commit is contained in:
Eliad Peller 2012-06-25 10:48:25 +03:00 committed by Johannes Berg
parent f823981e28
commit c9b22fb87a
1 changed files with 0 additions and 3 deletions
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3
net/mac80211/mlme.c
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@ -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;