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 <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
---
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