These changes are a raw update to a vanilla kernel 4.1.10, with the

[kvmfornfv.git] / kernel / drivers / net / usb / usbnet.c

diff --git a/kernel/drivers/net/usb/usbnet.c b/kernel/drivers/net/usb/usbnet.c
index 3c86b10..e049857 100644 (file)
--- a/kernel/drivers/net/usb/usbnet.c
+++ b/kernel/drivers/net/usb/usbnet.c
@@ -778,7 +778,7 @@ int usbnet_stop (struct net_device *net)
 {
        struct usbnet           *dev = netdev_priv(net);
        struct driver_info      *info = dev->driver_info;
-       int                     retval, pm;
+       int                     retval, pm, mpn;
 
        clear_bit(EVENT_DEV_OPEN, &dev->flags);
        netif_stop_queue (net);
@@ -809,6 +809,8 @@ int usbnet_stop (struct net_device *net)
 
        usbnet_purge_paused_rxq(dev);
 
+       mpn = !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags);
+
        /* deferred work (task, timer, softirq) must also stop.
         * can't flush_scheduled_work() until we drop rtnl (later),
         * else workers could deadlock; so make workers a NOP.
@@ -819,8 +821,7 @@ int usbnet_stop (struct net_device *net)
        if (!pm)
                usb_autopm_put_interface(dev->intf);
 
-       if (info->manage_power &&
-           !test_and_clear_bit(EVENT_NO_RUNTIME_PM, &dev->flags))
+       if (info->manage_power && mpn)
                info->manage_power(dev, 0);
        else
                usb_autopm_put_interface(dev->intf);