[PATCH 2/4] mt76: mt76x02: skip station tx status for non-sta wcid entries

[Felix Fietkau]

Fixes a crash that could occur if a frame is sent to a station, but the
station's wcid was not used (e.g. for software encrypted mgmt tx)

Signed-off-by: Felix Fietkau <n...@nbd.name>
---
 drivers/net/wireless/mediatek/mt76/mt76x02_mac.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c 
b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
index 34fc9f2eb51f..ad8df680c6a5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c
@@ -450,7 +450,7 @@ void mt76x02_send_tx_status(struct mt76x02_dev *dev,
        if (stat->wcid < ARRAY_SIZE(dev->mt76.wcid))
                wcid = rcu_dereference(dev->mt76.wcid[stat->wcid]);
 
-       if (wcid) {
+       if (wcid && wcid->sta) {
                void *priv;
 
                priv = msta = container_of(wcid, struct mt76x02_sta, wcid);
-- 
2.17.0