Merge branch 'linux-linaro-lsk-v3.10/be/32/core-20140413' of git://git.linaro.org/people/victor.kamensky/linux-linaro-tracking-be into lsk-v3.10-bev3.10/topic/old-arm64-bev3.10/topic/be

1 files changed, 16 insertions, 7 deletions

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index d98414168485..540a796593a3 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -275,8 +275,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
 	vif->credit_bytes = vif->remaining_credit = ~0UL;
 	vif->credit_usec  = 0UL;
 	init_timer(&vif->credit_timeout);
-	/* Initialize 'expires' now: it's used to track the credit window. */
-	vif->credit_timeout.expires = jiffies;
+	vif->credit_window_start = get_jiffies_64();
 
 	dev->netdev_ops	= &xenvif_netdev_ops;
 	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
@@ -304,6 +303,9 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
 	}
 
 	netdev_dbg(dev, "Successfully created xenvif\n");
+
+	__module_get(THIS_MODULE);
+
 	return vif;
 }
 
@@ -363,15 +365,22 @@ void xenvif_disconnect(struct xenvif *vif)
 	if (netif_carrier_ok(vif->dev))
 		xenvif_carrier_off(vif);
 
+	if (vif->irq) {
+		unbind_from_irqhandler(vif->irq, vif);
+		vif->irq = 0;
+	}
+
+	xen_netbk_unmap_frontend_rings(vif);
+}
+
+void xenvif_free(struct xenvif *vif)
+{
 	atomic_dec(&vif->refcnt);
 	wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
 
-	if (vif->irq)
-		unbind_from_irqhandler(vif->irq, vif);
-
 	unregister_netdev(vif->dev);
 
-	xen_netbk_unmap_frontend_rings(vif);
-
 	free_netdev(vif->dev);
+
+	module_put(THIS_MODULE);
 }