r8152: fix rtl8152_post_reset function

hayesorz · gregkh · commit 5270bf63719c · 2017-06-17T06:39:38.000+02:00
[ 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 &lt;hayeswang@realtek.com&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
Signed-off-by: Sasha Levin &lt;alexander.levin@verizon.com&gt;
Signed-off-by: Greg Kroah-Hartman &lt;gregkh@linuxfoundation.org&gt;
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
@@ -3418,12 +3418,14 @@ static int rtl8152_post_reset(struct usb_interface *intf)
 	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);
 
 	return 0;
 }

Original file line number	Diff line number	Diff line change
`@@ -3418,12 +3418,14 @@ static int rtl8152_post_reset(struct usb_interface *intf)`
`3418`	`3418`	`if (netif_carrier_ok(netdev)) {`
`3419`	`3419`	`mutex_lock(&tp->control);`
`3420`	`3420`	`tp->rtl_ops.enable(tp);`
	`3421`	`+ rtl_start_rx(tp);`
`3421`	`3422`	`rtl8152_set_rx_mode(netdev);`
`3422`	`3423`	`mutex_unlock(&tp->control);`
`3423`	`3424`	`netif_wake_queue(netdev);`
`3424`	`3425`	`}`
`3425`	`3426`
`3426`	`3427`	`napi_enable(&tp->napi);`
	`3428`	`+ usb_submit_urb(tp->intr_urb, GFP_KERNEL);`
`3427`	`3429`
`3428`	`3430`	`return 0;`
`3429`	`3431`	`}`