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From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 16 Dec 2020 21:24:19 +0100
Subject: [PATCH] mac80211: fix fast-rx encryption check
When using WEP, the default unicast key needs to be selected, instead of
the STA PTK.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4195,6 +4195,8 @@ void ieee80211_check_fast_rx(struct sta_
rcu_read_lock();
key = rcu_dereference(sta->ptk[sta->ptk_idx]);
+ if (!key)
+ key = rcu_dereference(sdata->default_unicast_key);
if (key) {
switch (key->conf.cipher) {
case WLAN_CIPHER_SUITE_TKIP:
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