Check if available_antennas_tx and available_antennas_rx are already set
during the per-chip initialization phase; otherwise, they could be
overwritten with incorrect values.
Fixes: 69d54ce7491d ("wifi: mt76: mt7996: switch to single multi-radio wiphy")
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index b88d7e10742e..e9605dc22291 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -449,8 +449,10 @@ mt76_phy_init(struct mt76_phy *phy, struct ieee80211_hw *hw)
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AQL);
- wiphy->available_antennas_tx = phy->antenna_mask;
- wiphy->available_antennas_rx = phy->antenna_mask;
+ if (!wiphy->available_antennas_tx)
+ wiphy->available_antennas_tx = phy->antenna_mask;
+ if (!wiphy->available_antennas_rx)
+ wiphy->available_antennas_rx = phy->antenna_mask;
wiphy->sar_capa = &mt76_sar_capa;
phy->frp = devm_kcalloc(dev->dev, wiphy->sar_capa->num_freq_ranges,
--
2.39.2
