package/kernel/mac80211/patches/subsys/314-mac80211-fix-fast-rx-encryption-check.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Wed, 16 Dec 2020 21:24:19 +0100
   3 Subject: [PATCH] mac80211: fix fast-rx encryption check
   4
   5 When using WEP, the default unicast key needs to be selected, instead of
   6 the STA PTK.
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10
  11 --- a/net/mac80211/rx.c
  12 +++ b/net/mac80211/rx.c
  13 @@ -4195,6 +4195,8 @@ void ieee80211_check_fast_rx(struct sta_
  14
  15         rcu_read_lock();
  16         key = rcu_dereference(sta->ptk[sta->ptk_idx]);
  17 +       if (!key)
  18 +               key = rcu_dereference(sdata->default_unicast_key);
  19         if (key) {
  20                 switch (key->conf.cipher) {
  21                 case WLAN_CIPHER_SUITE_TKIP: