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Subject[PATCH 4.9 37/66] lan78xx: Fix failure in USB Full Speed
Date
4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Yuiko Oshino <yuiko.oshino@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.oshino@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@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
@@ -2197,6 +2197,7 @@ 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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