210}
211
212void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx)
213{
214 unsigned long flags;
215
216 spin_lock_irqsave(&sdata->local->key_lock, flags);
217 __ieee80211_set_default_key(sdata, idx);
218 spin_unlock_irqrestore(&sdata->local->key_lock, flags);
219}
220
221
222static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata,
223 struct sta_info *sta,
224 struct ieee80211_key *old,
225 struct ieee80211_key *new)
226{
227 int idx, defkey;
228
229 if (new)
230 list_add(&new->list, &sdata->key_list);
231
232 if (sta) {
233 rcu_assign_pointer(sta->key, new);
234 } else {
235 WARN_ON(new && old && new->conf.keyidx != old->conf.keyidx);
236
237 if (old)
238 idx = old->conf.keyidx;
239 else
240 idx = new->conf.keyidx;
241
242 defkey = old && sdata->default_key == old;
243
244 if (defkey && !new)
245 __ieee80211_set_default_key(sdata, -1);
246
247 rcu_assign_pointer(sdata->keys[idx], new);
248 if (defkey && new)
249 __ieee80211_set_default_key(sdata, new->conf.keyidx);
250 }