diff mbox series

[5.16,0115/1039] wcn36xx: fix RX BD rate mapping for 5GHz legacy rates

Message ID 20220124184128.992544933@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Jan. 24, 2022, 6:31 p.m. UTC 
From: Benjamin Li <benl@squareup.com>

[ Upstream commit cfdf6b19e750f7de8ae71a26932f63b52e3bf74c ]

The linear mapping between the BD rate field and the driver's 5GHz
legacy rates table (wcn_5ghz_rates) does not only apply for the latter
four rates -- it applies to all eight rates.

Fixes: 6ea131acea98 ("wcn36xx: Fix warning due to bad rate_idx")
Signed-off-by: Benjamin Li <benl@squareup.com>
Tested-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211104010548.1107405-3-benl@squareup.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wireless/ath/wcn36xx/txrx.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c
index f0a9f069a92a9..dd58dde8c8363 100644
--- a/drivers/net/wireless/ath/wcn36xx/txrx.c
+++ b/drivers/net/wireless/ath/wcn36xx/txrx.c
@@ -272,7 +272,6 @@  int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb)
 	const struct wcn36xx_rate *rate;
 	struct ieee80211_hdr *hdr;
 	struct wcn36xx_rx_bd *bd;
-	struct ieee80211_supported_band *sband;
 	u16 fc, sn;
 
 	/*
@@ -350,12 +349,11 @@  int wcn36xx_rx_skb(struct wcn36xx *wcn, struct sk_buff *skb)
 		status.enc_flags = rate->encoding_flags;
 		status.bw = rate->bw;
 		status.rate_idx = rate->mcs_or_legacy_index;
-		sband = wcn->hw->wiphy->bands[status.band];
 		status.nss = 1;
 
 		if (status.band == NL80211_BAND_5GHZ &&
 		    status.encoding == RX_ENC_LEGACY &&
-		    status.rate_idx >= sband->n_bitrates) {
+		    status.rate_idx >= 4) {
 			/* no dsss rates in 5Ghz rates table */
 			status.rate_idx -= 4;
 		}