Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 12/17] mac80211: fix fast-rx encryption check | Date | Fri, 5 Feb 2021 15:08:06 +0100 |
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From: Felix Fietkau <nbd@nbd.name>
[ Upstream commit 622d3b4e39381262da7b18ca1ed1311df227de86 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- net/mac80211/rx.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5e56719f999c4..9e92e5e2336be 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -4003,6 +4003,8 @@ 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: -- 2.27.0
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