Commit 3253f8fd authored by Ryder Lee's avatar Ryder Lee Committed by Felix Fietkau
Browse files

mt76: mt7615: fix potential overflow on large shift 



Fix the following static checker warning:
error: undefined (user controlled) shift '(((1))) << (c->omac_idx)'

Fixes: 402a695b ("mt76: mt7615: fix CSA notification for DBDC")
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarRyder Lee <ryder.lee@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 223cea6d

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

+3 −0
Original line number Diff line number Diff line
@@ -411,6 +411,9 @@ 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;