> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>
> The longer event such as the event for mcu_get_nic_capability would hold
> the data in paged fragment skb for the SDIO device so we turn the skb to
> be linearized skb before accessing it to reuse the same event parser
> betweem mt7921s and mt7921e.
>
> Tested-by: Deren Wu <deren.wu@xxxxxxxxxxxx>
> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
> ---
> drivers/net/wireless/mediatek/mt76/mt7921/mcu.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> index f5a8f7fa4244..8e49df20a8cb 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
> @@ -458,7 +458,14 @@ mt7921_mcu_rx_unsolicited_event(struct mt7921_dev *dev, struct sk_buff *skb)
>
> void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb)
> {
> - struct mt7921_mcu_rxd *rxd = (struct mt7921_mcu_rxd *)skb->data;
> + struct mt7921_mcu_rxd *rxd;
> + int ret;
> +
> + ret = skb_linearize(skb);
is it true for sdio only? if so what about doing something like:
if (mt76_is_sdio() && skb_linearize(skb))
return;
> + if (ret)
> + return;
> +
> + rxd = (struct mt7921_mcu_rxd *)skb->data;
>
> if (rxd->eid == 0x6) {
> mt76_mcu_rx_event(&dev->mt76, skb);
> --
> 2.25.1
>
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