diff options
| author | Felix Fietkau <nbd@nbd.name> | 2020-07-24 16:13:10 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 18:10:13 +0200 |
| commit | c12b7c7944e56e526c0a457282603ebcdd04ca90 (patch) | |
| tree | 3a19a74a32e9e0527929ef08c01e80aad3175d1a /drivers/net/wireless/mediatek | |
| parent | 4bf04d33f5b7eea35fcc1a5a9cd61127dfc84ae1 (diff) | |
mt76: mt7915: fix crash on tx rate report for invalid stations
Check wcid RCU pointer before using it
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 67ac33bc4951..f8f715b30c0b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -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; |