wifi: mt76: do not send firmware FW_FEATURE_NON_DL region

skip invalid section to avoid potential risks

Fixes: 23bdc5d8 ("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>

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;
 	}