2020-11-26 11:06:05

by Shayne Chen

[permalink] [raw]
Subject: [PATCH] mt76: mt7915: fix ht mcs in mt7915_mcu_get_rx_rate()

The mcs value of HT mode reported by mt7915_mcu_get_rx_rate()
has already been converted to the expected format.

Tested-by: Yiwei Chung <[email protected]>
Signed-off-by: Shayne Chen <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 600ab7a..71f9140 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3524,7 +3524,9 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
break;
case MT_PHY_TYPE_HT:
case MT_PHY_TYPE_HT_GF:
- rate->mcs += (rate->nss - 1) * 8;
+ if (rate->mcs > 31)
+ return -EINVAL;
+
flags |= RATE_INFO_FLAGS_MCS;

if (res->gi)
--
2.17.1