2022-11-24 14:23:12

by Deren Wu

[permalink] [raw]
Subject: [PATCH] wifi: mt76: do not send firmware FW_FEATURE_NON_DL region

From: Deren Wu <[email protected]>

skip invalid section to avoid potential risks

Fixes: 23bdc5d8cadf ("wifi: mt76: mt7921: introduce Country Location Control support")
Signed-off-by: Deren Wu <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 96d91238ad8d..5a047e630860 100644
--- 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;
}

--
2.18.0