Fix the following static checker warning: error: undefined (user controlled) shift '(((1))) << (c->omac_idx)' Fixes: 402a695b1ae6 ("mt76: mt7615: fix CSA notification for DBDC") Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx> --- drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 67af2e2d4779..93d938d56166 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -390,6 +390,9 @@ mt7615_mcu_rx_csa_notify(struct mt7615_dev *dev, struct sk_buff *skb) c = (struct mt7615_mcu_csa_notify *)skb->data; + if (c->omac_idx > EXT_BSSID_MAX) + return; + if (ext_phy && ext_phy->omac_mask & BIT_ULL(c->omac_idx)) mphy = dev->mt76.phy2; -- 2.18.0