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    Subject[PATCH 5.0 011/101] mt76x02: fix hdr pointer in write txwi for USB
    Date
    [ Upstream commit 7b25d3b8e485c7721cba9c71b44d1c286e61c8e7 ]

    Since we add txwi at the begining of skb->data, it no longer point
    to ieee80211_hdr. This breaks settings TS bit for probe response and
    beacons.

    Acked-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
    Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
    Signed-off-by: Felix Fietkau <nbd@nbd.name>
    Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
    ---
    drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c | 3 ++-
    1 file changed, 2 insertions(+), 1 deletion(-)

    diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c
    index 81970cf777c0..8cafa5a749ca 100644
    --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c
    +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c
    @@ -81,8 +81,9 @@ int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data,

    mt76x02_insert_hdr_pad(skb);

    - txwi = skb_push(skb, sizeof(struct mt76x02_txwi));
    + txwi = (struct mt76x02_txwi *)(skb->data - sizeof(struct mt76x02_txwi));
    mt76x02_mac_write_txwi(dev, txwi, skb, wcid, sta, len);
    + skb_push(skb, sizeof(struct mt76x02_txwi));

    pid = mt76_tx_status_skb_add(mdev, wcid, skb);
    txwi->pktid = pid;
    --
    2.19.1


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