mac80211: avoid calling ieee80211_work_work unconditionally
[pandora-kernel.git] / net / mac80211 / work.c
index ae344d1..146097c 100644 (file)
@@ -1051,11 +1051,13 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
 {
        struct ieee80211_local *local = sdata->local;
        struct ieee80211_work *wk;
+       bool cleanup = false;
 
        mutex_lock(&local->mtx);
        list_for_each_entry(wk, &local->work_list, list) {
                if (wk->sdata != sdata)
                        continue;
+               cleanup = true;
                wk->type = IEEE80211_WORK_ABORT;
                wk->started = true;
                wk->timeout = jiffies;
@@ -1063,7 +1065,8 @@ void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata)
        mutex_unlock(&local->mtx);
 
        /* run cleanups etc. */
-       ieee80211_work_work(&local->work_work);
+       if (cleanup)
+               ieee80211_work_work(&local->work_work);
 
        mutex_lock(&local->mtx);
        list_for_each_entry(wk, &local->work_list, list) {