From: Deren Wu <[email protected]>
The acceptable event report should inlcude original CMD-ID. Otherwise,
drop unexpected result from fw.
Fixes: 1c099ab44727c ("mt76: mt7921: add MCU support")
Signed-off-by: Jimmy Hu <[email protected]>
Signed-off-by: Deren Wu <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index c2c4dc196802..c6dff5473d36 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -157,6 +157,7 @@ mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
struct sk_buff *skb, int seq)
{
struct mt7921_mcu_rxd *rxd;
+ int mcu_cmd = cmd & MCU_CMD_MASK;
int ret = 0;
if (!skb) {
@@ -194,6 +195,9 @@ mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
skb_pull(skb, sizeof(*rxd));
event = (struct mt7921_mcu_uni_event *)skb->data;
ret = le32_to_cpu(event->status);
+ /* skip invalid event */
+ if (mcu_cmd != event->cid)
+ ret = -EAGAIN;
break;
}
case MCU_CMD_REG_READ: {
--
2.25.1