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wifi: mt76: mt7996: add missing rdd_idx check when enabling background radar

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Add the missing rdd idx check (< 0) in
mt7996_mcu_rdd_background_enable(). mt7996_get_rdd_idx() returns -1
for phys without 5 GHz support, and the negative index was passed to
the RDD MCU command unchecked.

Fixes: 1529e335f93d ("wifi: mt76: mt7996: rework radar HWRDD idx")
Signed-off-by: StanleyYP Wang <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
StanleyYP Wang
2026-07-24 14:45:39 +02:00
committed by Felix Fietkau
parent 5f31226103
commit 1ece37f8a9
1 changed files with 3 additions and 0 deletions
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mt7996/mcu.c
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@@ -4253,6 +4253,9 @@ int mt7996_mcu_rdd_background_enable(struct mt7996_phy *phy,
struct mt7996_dev *dev = phy->dev;
int err, region, rdd_idx = mt7996_get_rdd_idx(phy, true);
if (rdd_idx < 0)
return -EINVAL;
if (!chandef) { /* disable offchain */
err = mt7996_mcu_rdd_cmd(dev, RDD_STOP, rdd_idx, 0);
if (err)