6.4-stable review patch. If anyone has any objections, please let me know.
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From: StanleyYP Wang StanleyYP.Wang@mediatek.com
[ Upstream commit 9ffe0d5690ed916e09baad2cc9ee7ec65b110038 ]
If driver directly uses the band_idx reported from the radar event to access mt76_phy array, it will get the wrong phy for background radar. Fix this by adjusting the statement.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: StanleyYP Wang StanleyYP.Wang@mediatek.com Signed-off-by: Shayne Chen shayne.chen@mediatek.com Signed-off-by: Felix Fietkau nbd@nbd.name Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index cd54e81d73044..62a02b03d83ba 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -339,7 +339,11 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb) if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys)) return;
- mphy = dev->mt76.phys[r->band_idx]; + if (dev->rdd2_phy && r->band_idx == MT_RX_SEL2) + mphy = dev->rdd2_phy->mt76; + else + mphy = dev->mt76.phys[r->band_idx]; + if (!mphy) return;