3 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 3aafebdbe7b5..c6c922247d05 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1227,7 +1227,7 @@ static const struct driver_info smsc95xx_info = {
         .rx_fixup       = smsc95xx_rx_fixup,
         .tx_fixup       = smsc95xx_tx_fixup,
         .status         = smsc95xx_status,
-        .flags          = FLAG_ETHER,
+        .flags          = FLAG_ETHER | FLAG_SEND_ZLP,
 };
 
 static const struct usb_device_id products[] = {
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 24b36f795151..ca5ca5ae061d 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1049,7 +1049,7 @@ 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 ((length % dev->maxpacket) == 0) {
+        if (!(info->flags & FLAG_SEND_ZLP) && (length % dev->maxpacket) == 0) {
                 urb->transfer_buffer_length++;
                 if (skb_tailroom(skb)) {
                         skb->data[skb->len] = 0;
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index bb69e256cd16..f81473052059 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -89,6 +89,7 @@ struct driver_info {
 #define FLAG_FRAMING_AX 0x0040          /* AX88772/178 packets */
 #define FLAG_WLAN       0x0080          /* use "wlan%d" names */
 #define FLAG_AVOID_UNLINK_URBS 0x0100   /* don't unlink urbs at usbnet_stop() */
+#define FLAG_SEND_ZLP   0x0200          /* hw requires ZLPs are sent */
 
 
         /* init device ... can sleep, or cause probe() failure */