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Revert "mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE"

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This reverts commit c68df2e7be.

__sta_info_recalc_tim turns into a no-op if local->ops->set_tim is not
set. This prevents the beacon TIM bit from being set for all drivers
that do not implement this op (almost all of them), thus thoroughly
essential AP mode powersave functionality.

Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: c68df2e7be ("mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE")
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2016-11-03 12:12:47 +01:00 committed by Johannes Berg
parent c8eaf3479e
commit 6c18a6b4e7
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/sta_info.c
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@ -688,7 +688,7 @@ static void __sta_info_recalc_tim(struct sta_info *sta, bool ignore_pending)
}
/* No need to do anything if the driver does all */
if (!local->ops->set_tim)
if (ieee80211_hw_check(&local->hw, AP_LINK_PS))
return;
if (sta->dead)