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wifi: mt76: mt7996: fix insecure data handling of mt7996_mcu_rx_radar_detected()

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Coverity message:
using tainted "r->band_idx" variable as an index into an array "(*dev).mt76.phys".

Reported-by: coverity-bot <[email protected]>
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 <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Ryder Lee
2022-12-10 13:11:04 +01:00
committed by Felix Fietkau
parent 379f3fc0fc
commit 233c272f0f
1 changed files with 3 additions and 0 deletions
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mt7996/mcu.c
+3
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@@ -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;