mac80211: fix fast-rx encryption check
[ 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>
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@ -4003,6 +4003,8 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
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rcu_read_lock();
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rcu_read_lock();
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key = rcu_dereference(sta->ptk[sta->ptk_idx]);
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key = rcu_dereference(sta->ptk[sta->ptk_idx]);
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if (!key)
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key = rcu_dereference(sdata->default_unicast_key);
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if (key) {
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if (key) {
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switch (key->conf.cipher) {
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switch (key->conf.cipher) {
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case WLAN_CIPHER_SUITE_TKIP:
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case WLAN_CIPHER_SUITE_TKIP:
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