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authorFelix Fietkau <nbd@nbd.name>2020-12-18 19:47:17 +0100
committerJohannes Berg <johannes.berg@intel.com>2021-01-14 22:25:28 +0100
commit622d3b4e39381262da7b18ca1ed1311df227de86 (patch)
tree6455da1a411940296c95991896fedfa5f6affe98
parent6020d534fa012b80c6d13811dc4d2dfedca2e403 (diff)
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> Link: https://lore.kernel.org/r/20201218184718.93650-5-nbd@nbd.name Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/mac80211/rx.c2
1 files changed, 2 insertions, 0 deletions
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: