a7y18lte-ubports/android_kernel_samsung_universal7885
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mac80211: allow driver to be stateless wrt. SMSP requests

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Bail out if no update is made to the SMPS state. This
allows the driver to avoid duplicating the state.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2013-02-10 15:55:20 +02:00 committed by Johannes Berg
parent b6a7bceb3b
commit 66d5757051
1 changed files with 3 additions and 0 deletions
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net/mac80211/ht.c
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@ -406,6 +406,9 @@ void ieee80211_request_smps(struct ieee80211_vif *vif,
if (WARN_ON(smps_mode == IEEE80211_SMPS_OFF))
smps_mode = IEEE80211_SMPS_AUTOMATIC;
if (sdata->u.mgd.driver_smps_mode == smps_mode)
return;
sdata->u.mgd.driver_smps_mode = smps_mode;
ieee80211_queue_work(&sdata->local->hw,