From: Ryder Lee ryder.lee@mediatek.com
[ Upstream commit f37c6e5c75029443bc72c45acf92b2f2de2945be ]
Coverity message: using tainted "r->band_idx" variable as an index into an array "(*dev).mt76.phys".
Reported-by: coverity-bot keescook+coverity-bot@chromium.org Addresses-Coverity-ID: 1527812 ("Insecure data handling") Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices") Signed-off-by: Ryder Lee ryder.lee@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 | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index a90b7ca2df63c..efb245c8ac840 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -335,6 +335,9 @@ mt7996_mcu_rx_radar_detected(struct mt7996_dev *dev, struct sk_buff *skb)
r = (struct mt7996_mcu_rdd_report *)skb->data;
+ if (r->band_idx >= ARRAY_SIZE(dev->mt76.phys)) + return; + mphy = dev->mt76.phys[r->band_idx]; if (!mphy) return;