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authorFelix Fietkau <nbd@nbd.name>2020-12-18 21:47:17 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-02-07 16:48:37 +0300
commitb70798906c4c85314511cf6d5cae98385861fc07 (patch)
tree6f29c48692e84ea2adf6f09ae72f56124cf84b0d /net/mac80211
parentd29232ebc8165f3489048230d29c382d69cab2a8 (diff)
downloadlinux-b70798906c4c85314511cf6d5cae98385861fc07.tar.xz
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>
Diffstat (limited to 'net/mac80211')
-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 5e56719f999c..9e92e5e2336b 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: