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 <deren.wu@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 96d9123..5a047e6 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -2906,6 +2906,9 @@ 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;
 
@@ -2922,6 +2925,7 @@ mt76_connac_mcu_send_ram_firmware(struct mt76_dev *dev,
                        return err;
                }
 
+next:
                offset += len;
        }