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wifi: mt76: mt7996: rely on mt76_connac2_mac_tx_rate_val

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In order to fix a possible NULL pointer dereference in
mt7996_mac_write_txwi() of vif pointer, export
mt76_connac2_mac_tx_rate_val utility routine and reuse it
in mt7996 driver.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2023-02-02 11:03:57 +01:00
committed by Felix Fietkau
parent 9107381d0f
commit 36d2a5bf78
3 changed files with 9 additions and 49 deletions
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mt76_connac_mac.c
+4 -3
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@@ -267,9 +267,9 @@ int mt76_connac_init_tx_queues(struct mt76_phy *phy, int idx, int n_desc,
}
EXPORT_SYMBOL_GPL(mt76_connac_init_tx_queues);
static u16
mt76_connac2_mac_tx_rate_val(struct mt76_phy *mphy, struct ieee80211_vif *vif,
bool beacon, bool mcast)
u16 mt76_connac2_mac_tx_rate_val(struct mt76_phy *mphy,
struct ieee80211_vif *vif,
bool beacon, bool mcast)
{
u8 mode = 0, band = mphy->chandef.chan->band;
int rateidx = 0, mcast_rate;
@@ -319,6 +319,7 @@ out:
return FIELD_PREP(MT_TX_RATE_IDX, rateidx) |
FIELD_PREP(MT_TX_RATE_MODE, mode);
}
EXPORT_SYMBOL_GPL(mt76_connac2_mac_tx_rate_val);
static void
mt76_connac2_mac_write_txwi_8023(__le32 *txwi, struct sk_buff *skb,