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mac80211: fix fast-rx encryption check
author
Felix Fietkau
<nbd@nbd.name>
Fri, 18 Dec 2020 18:47:17 +0000
(19:47 +0100)
committer
Johannes Berg
<johannes.berg@intel.com>
Thu, 14 Jan 2021 21:25:28 +0000
(22:25 +0100)
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>
net/mac80211/rx.c
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diff --git
a/net/mac80211/rx.c
b/net/mac80211/rx.c
index
13b9bcc
..
972895e
100644
(file)
--- 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: