diff options
author | Lorenzo Bianconi <lorenzo@kernel.org> | 2020-08-24 21:55:12 +0300 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2020-09-24 19:10:15 +0300 |
commit | 8da40d698111ad27b03afc40d67843e3073395e7 (patch) | |
tree | 27b2c8438e8991a087196c610cd032349777e3f3 /drivers/net/wireless/mediatek/mt76/mt7615/usb_mcu.c | |
parent | ce8463a726a5669b200a1c2c17f95bc1394cc6bf (diff) | |
download | linux-8da40d698111ad27b03afc40d67843e3073395e7.tar.xz |
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.c | 4 |
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; |