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[v5,1/4] mac80211: remove unnecessary num_mcast_sta user

Message ID 1475865574-5384-1-git-send-email-michael-dev@fami-braun.de
State Awaiting Upstream, archived
Delegated to: David Miller
Headers show

Commit Message

michael-dev Oct. 7, 2016, 6:39 p.m. UTC 
Checking for num_mcast_sta in __ieee80211_request_smps_ap() is unnecessary,
as sta list will be empty in this case anyway, so list_for_each_entry(sta,
...) will exit immediately.

Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
---
 net/mac80211/cfg.c | 7 -------
 1 file changed, 7 deletions(-)
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Patch

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 543b1d4..24133f5 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2313,13 +2313,6 @@  int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
 	    smps_mode == IEEE80211_SMPS_AUTOMATIC)
 		return 0;
 
-	 /* If no associated stations, there's no need to do anything */
-	if (!atomic_read(&sdata->u.ap.num_mcast_sta)) {
-		sdata->smps_mode = smps_mode;
-		ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
-		return 0;
-	}
-
 	ht_dbg(sdata,
 	       "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
 	       smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));