ath9k: fix a regression in PS frame filter handling

Only leave filtering enabled for AP or VLAN interfaces, clear the
destination mask for all other interfaces.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Reported-by: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 9dd72d8c78ec..33816091b439 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1782,6 +1782,11 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
         struct ieee80211_key_conf ps_key = { };
 
         ath_node_attach(sc, sta);
+
+        if (vif->type != NL80211_IFTYPE_AP &&
+            vif->type != NL80211_IFTYPE_AP_VLAN)
+                return 0;
+
         an->ps_key = ath_key_config(common, vif, sta, &ps_key);
 
         return 0;