[PATCH v1 09/16] mt76: mt7921: make all event parser resuable between mt7921s and mt7921e
From: <sean.wang@mediatek.com>
Date: 2021-09-15 01:15:35
Also in:
linux-mediatek
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
From: Sean Wang <sean.wang@mediatek.com> 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 <redacted> Signed-off-by: Sean Wang <sean.wang@mediatek.com> --- 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); + if (ret) + return; + + rxd = (struct mt7921_mcu_rxd *)skb->data; if (rxd->eid == 0x6) { mt76_mcu_rx_event(&dev->mt76, skb);
--
2.25.1