2020-12-18 20:46:24

by Felix Fietkau

[permalink] [raw]
Subject: [PATCH v2 5/6] 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 <[email protected]>
---
net/mac80211/rx.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 13b9bcc4865d..972895e9f22d 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4176,6 +4176,8 @@ void ieee80211_check_fast_rx(struct sta_info *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:
--
2.28.0