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authorLorenzo Bianconi <lorenzo@kernel.org>2020-08-24 20:55:12 +0200
committerFelix Fietkau <nbd@nbd.name>2020-09-24 18:10:15 +0200
commit8da40d698111ad27b03afc40d67843e3073395e7 (patch)
tree27b2c8438e8991a087196c610cd032349777e3f3 /drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
parentce8463a726a5669b200a1c2c17f95bc1394cc6bf (diff)
mt76: mt7663u: fix dma header initialization
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 <lorenzo@kernel.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
index 0b33df3e3bfe..adbed373798e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c
@@ -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;