mt76: mt7915: fix crash on tx rate report for invalid stations

Check wcid RCU pointer before using it

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2020-07-24 16:14:42 +02:00
parent b5df0fbb18
commit 8d9a62e4de
+3
View File
@@ -522,6 +522,9 @@ mt7915_mcu_tx_rate_report(struct mt7915_dev *dev, struct sk_buff *skb)
return;
wcid = rcu_dereference(dev->mt76.wcid[wcidx]);
if (!wcid)
return;
msta = container_of(wcid, struct mt7915_sta, wcid);
stats = &msta->stats;