From 65b526a108264aeac769ec82cf33e5f966c9a1df Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 25 Oct 2018 14:23:13 +0200 Subject: [PATCH] mt76: mt76x02: skip station tx status for non-sta wcid entries 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 --- 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); -- 2.11.0