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-rw-r--r--net/mac80211/key.c16
-rw-r--r--net/mac80211/sta_info.c3
2 files changed, 5 insertions, 14 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index e568d98..12e6154 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -628,8 +628,7 @@ void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata)
void ieee80211_free_sta_keys(struct ieee80211_local *local,
struct sta_info *sta)
{
- struct ieee80211_key *key, *tmp;
- LIST_HEAD(keys);
+ struct ieee80211_key *key;
int i;
mutex_lock(&local->key_mtx);
@@ -640,7 +639,7 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
- list_add(&key->list, &keys);
+ __ieee80211_key_destroy(key, true);
}
for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
@@ -650,17 +649,8 @@ void ieee80211_free_sta_keys(struct ieee80211_local *local,
ieee80211_key_replace(key->sdata, key->sta,
key->conf.flags & IEEE80211_KEY_FLAG_PAIRWISE,
key, NULL);
- list_add(&key->list, &keys);
- }
-
- /*
- * NB: the station code relies on this being
- * done even if there aren't any keys
- */
- synchronize_net();
-
- list_for_each_entry_safe(key, tmp, &keys, list)
__ieee80211_key_destroy(key, true);
+ }
mutex_unlock(&local->key_mtx);
}
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 7241f322..08e5076 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -831,7 +831,8 @@ int __must_check __sta_info_destroy(struct sta_info *sta)
rcu_access_pointer(sdata->u.vlan.sta) == sta)
RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
- /* this always calls synchronize_net() */
+ synchronize_net();
+ /* now keys can no longer be reached */
ieee80211_free_sta_keys(local, sta);
sta->dead = true;
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