diff options
| -rw-r--r-- | drivers/net/usb/usbnet.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 17b6a62d206e..c0f64392627c 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1068,12 +1068,15 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, * NOTE: strictly conforming cdc-ether devices should expect * the ZLP here, but ignore the one-byte packet. */ - if (!(info->flags & FLAG_SEND_ZLP) && (length % dev->maxpacket) == 0) { - urb->transfer_buffer_length++; - if (skb_tailroom(skb)) { - skb->data[skb->len] = 0; - __skb_put(skb, 1); - } + if (length % dev->maxpacket == 0) { + if (!(info->flags & FLAG_SEND_ZLP)) { + urb->transfer_buffer_length++; + if (skb_tailroom(skb)) { + skb->data[skb->len] = 0; + __skb_put(skb, 1); + } + } else + urb->transfer_flags |= URB_ZERO_PACKET; } spin_lock_irqsave(&dev->txq.lock, flags); |