From: Shayne Chen Date: Thu, 9 Feb 2023 11:06:59 +0000 (+0800) Subject: wifi: mac80211: make rate u32 in sta_set_rate_info_rx() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=59336e07b287d91dc4ec265e07724e8f7e3d0209;p=linux.git 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 Link: https://lore.kernel.org/r/20230209110659.25447-1-shayne.chen@mediatek.com Fixes: 41cbb0f5a295 ("mac80211: add support for HE") Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 27c737fe7fb86..bd532d3f925dd 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2418,7 +2418,7 @@ 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;