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mt76: mt7663u: fix dma header initialization

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Fix length field corruption in usb dma header introduced adding sdio
support

Fixes: 75b10f0cbd0b ("mt76: mt76u: add mt76_skb_adjust_pad utility routine")
Signed-off-by: Lorenzo Bianconi <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2020-08-24 20:59:17 +02:00
committed by Felix Fietkau
parent 519510277a
commit 3c361b1e3f
2 changed files with 8 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mt7615/usb_mcu.c
+3 -1
View File
@@ -19,6 +19,7 @@ mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
{
struct mt7615_dev *dev = container_of(mdev, struct mt7615_dev, mt76);
int ret, seq, ep;
u32 len;
mutex_lock(&mdev->mcu.mutex);
@@ -28,7 +29,8 @@ mt7663u_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb,
else
ep = MT_EP_OUT_AC_BE;
put_unaligned_le32(skb->len, skb_push(skb, sizeof(skb->len)));
len = skb->len;
put_unaligned_le32(len, skb_push(skb, sizeof(len)));
ret = mt76_skb_adjust_pad(skb);
if (ret < 0)
goto out;
mt7615/usb_sdio.c
+5 -2
View File
@@ -259,8 +259,11 @@ int mt7663_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
}
mt7663_usb_sdio_write_txwi(dev, wcid, qid, sta, skb);
if (mt76_is_usb(mdev))
put_unaligned_le32(skb->len, skb_push(skb, sizeof(skb->len)));
if (mt76_is_usb(mdev)) {
u32 len = skb->len;
put_unaligned_le32(len, skb_push(skb, sizeof(len)));
}
return mt76_skb_adjust_pad(skb);
}