From d9ba3e35e1291613ca15875a065326fab80e5d6d Mon Sep 17 00:00:00 2001
From: Shayne Chen <shayne.chen@mediatek.com>
Date: Thu, 9 Feb 2023 18:58:08 +0800
Subject: [PATCH 02/15] wifi: mac80211: make rate u32 in sta_set_rate_info_rx()

The value of last_rate in ieee80211_sta_rx_stats is degraded from u32 to
u16 after being assigned to rate variable, which causes information loss
in STA_STATS_FIELD_TYPE and later bitfields.

Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
---
 net/mac80211/sta_info.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 8cdeb96..e32841a 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -2384,7 +2384,7 @@ static void sta_stats_decode_rate(struct ieee80211_local *local, u32 rate,
 
 static int sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
 {
-	u16 rate = READ_ONCE(sta_get_last_rx_stats(sta)->last_rate);
+	u32 rate = READ_ONCE(sta_get_last_rx_stats(sta)->last_rate);
 
 	if (rate == STA_STATS_RATE_INVALID)
 		return -EINVAL;
-- 
2.18.0