[PATCH 4.9 071/108] r8152: fix rtl8152_post_reset function

[Greg Kroah-Hartman]

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

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

From: hayeswang <hayeswang@xxxxxxxxxxx>


[ Upstream commit 2c561b2b728ca4013e76d6439bde2c137503745e ]

The rtl8152_post_reset() should sumbit rx urb and interrupt transfer,
otherwise the rx wouldn't work and the linking change couldn't be
detected.

Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/usb/r8152.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3548,12 +3548,14 @@ static int rtl8152_post_reset(struct usb
 	if (netif_carrier_ok(netdev)) {
 		mutex_lock(&tp->control);
 		tp->rtl_ops.enable(tp);
+		rtl_start_rx(tp);
 		rtl8152_set_rx_mode(netdev);
 		mutex_unlock(&tp->control);
 		netif_wake_queue(netdev);
 	}
 
 	napi_enable(&tp->napi);
+	usb_submit_urb(tp->intr_urb, GFP_KERNEL);
 
 	if (!list_empty(&tp->rx_done))
 		napi_schedule(&tp->napi);