From 66dc48bea88324f153c5d43f7594e89fb38f7b5c Mon Sep 17 00:00:00 2001 From: Deren Wu Date: Thu, 24 Nov 2022 22:20:38 +0800 Subject: [PATCH] wifi: mt76: do not send firmware FW_FEATURE_NON_DL region skip invalid section to avoid potential risks Fixes: 23bdc5d8cadf ("wifi: mt76: mt7921: introduce Country Location Control support") Signed-off-by: Deren Wu Signed-off-by: Felix Fietkau --- mt76_connac_mcu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mt76_connac_mcu.c b/mt76_connac_mcu.c index c65267b4..673fca29 100644 --- a/mt76_connac_mcu.c +++ b/mt76_connac_mcu.c @@ -2869,6 +2869,9 @@ mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev, len = le32_to_cpu(region->len); addr = le32_to_cpu(region->addr); + if (region->feature_set & FW_FEATURE_NON_DL) + goto next; + if (region->feature_set & FW_FEATURE_OVERRIDE_ADDR) override = addr; @@ -2885,6 +2888,7 @@ mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev, return err; } +next: offset += len; }