diff options
Diffstat (limited to 'net/mac80211/key.c')
-rw-r--r-- | net/mac80211/key.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 958832dd4f0a..31afd712930d 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -195,7 +195,7 @@ static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, assert_key_lock(sdata->local); if (idx >= 0 && idx < NUM_DEFAULT_KEYS) - key = sdata->keys[idx]; + key = key_mtx_dereference(sdata->local, sdata->keys[idx]); if (uni) rcu_assign_pointer(sdata->default_unicast_key, key); @@ -222,7 +222,7 @@ __ieee80211_set_default_mgmt_key(struct ieee80211_sub_if_data *sdata, int idx) if (idx >= NUM_DEFAULT_KEYS && idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS) - key = sdata->keys[idx]; + key = key_mtx_dereference(sdata->local, sdata->keys[idx]); rcu_assign_pointer(sdata->default_mgmt_key, key); @@ -266,9 +266,15 @@ static void __ieee80211_key_replace(struct ieee80211_sub_if_data *sdata, else idx = new->conf.keyidx; - defunikey = old && sdata->default_unicast_key == old; - defmultikey = old && sdata->default_multicast_key == old; - defmgmtkey = old && sdata->default_mgmt_key == old; + defunikey = old && + old == key_mtx_dereference(sdata->local, + sdata->default_unicast_key); + defmultikey = old && + old == key_mtx_dereference(sdata->local, + sdata->default_multicast_key); + defmgmtkey = old && + old == key_mtx_dereference(sdata->local, + sdata->default_mgmt_key); if (defunikey && !new) __ieee80211_set_default_key(sdata, -1, true, false); @@ -451,11 +457,11 @@ int ieee80211_key_link(struct ieee80211_key *key, mutex_lock(&sdata->local->key_mtx); if (sta && pairwise) - old_key = sta->ptk; + old_key = key_mtx_dereference(sdata->local, sta->ptk); else if (sta) - old_key = sta->gtk[idx]; + old_key = key_mtx_dereference(sdata->local, sta->gtk[idx]); else - old_key = sdata->keys[idx]; + old_key = key_mtx_dereference(sdata->local, sdata->keys[idx]); __ieee80211_key_replace(sdata, sta, pairwise, old_key, key); __ieee80211_key_destroy(old_key); |