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Subject[PATCH AUTOSEL 5.12 133/160] cfg80211: fix default HE tx bitrate mask in 2G band
Date
From: Ping-Ke Shih <pkshih@realtek.com>

[ Upstream commit 9df66d5b9f45c39b3925d16e8947cc10009b186d ]

In 2G band, a HE sta can only supports HT and HE, but not supports VHT.
In this case, default HE tx bitrate mask isn't filled, when we use iw to
set bitrates without any parameter.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://lore.kernel.org/r/20210609075944.51130-1-pkshih@realtek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/wireless/nl80211.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a5224da63832..be0f616f85d3 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4779,11 +4779,10 @@ static int nl80211_parse_tx_bitrate_mask(struct genl_info *info,
sband->ht_cap.mcs.rx_mask,
sizeof(mask->control[i].ht_mcs));

- if (!sband->vht_cap.vht_supported)
- continue;
-
- vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
- vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
+ if (sband->vht_cap.vht_supported) {
+ vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map);
+ vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs);
+ }

he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype);
if (!he_cap)
--
2.30.2
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