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Diffstat (limited to 'net/mac80211/key.c')
-rw-r--r--net/mac80211/key.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index eac9c59..df0c04c 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -240,14 +240,17 @@ void ieee80211_key_link(struct ieee80211_key *key,
if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
struct sta_info *ap;
+ rcu_read_lock();
+
/* same here, the AP could be using QoS */
ap = sta_info_get(key->local, key->sdata->u.sta.bssid);
if (ap) {
if (ap->flags & WLAN_STA_WME)
key->conf.flags |=
IEEE80211_KEY_FLAG_WMM_STA;
- sta_info_put(ap);
}
+
+ rcu_read_unlock();
}
}
@@ -290,6 +293,9 @@ void ieee80211_key_free(struct ieee80211_key *key)
__ieee80211_key_replace(key->sdata, key->sta,
key, NULL);
+ /*
+ * Do NOT remove this without looking at sta_info_destroy()
+ */
synchronize_rcu();
/*
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