4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Yuiko Oshino <yuiko.osh...@microchip.com>


[ Upstream commit a5b1379afbfabf91e3a689e82ac619a7157336b3 ]

Fix initialize the uninitialized tx_qlen to an appropriate value when USB
Full Speed is used.

Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 
Ethernet device driver")
Signed-off-by: Yuiko Oshino <yuiko.osh...@microchip.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
 drivers/net/usb/lan78xx.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -2396,6 +2396,7 @@ static int lan78xx_reset(struct lan78xx_
                buf = DEFAULT_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
                dev->rx_urb_size = DEFAULT_BURST_CAP_SIZE;
                dev->rx_qlen = 4;
+               dev->tx_qlen = 4;
        }
 
        ret = lan78xx_write_reg(dev, BURST_CAP, buf);


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