1 files changed, 15 insertions, 15 deletions

diff --git a/net/9p/trans_xen.c b/net/9p/trans_xen.c
index 2418fa0b58f3..b15c64128c3e 100644
--- a/net/9p/trans_xen.c
+++ b/net/9p/trans_xen.c
@@ -163,7 +163,7 @@ again:
 	ring->intf->out_prod = prod;
 	spin_unlock_irqrestore(&ring->lock, flags);
 	notify_remote_via_irq(ring->irq);
-	p9_req_put(p9_req);
+	p9_req_put(client, p9_req);
 
 	return 0;
 }
@@ -246,6 +246,7 @@ static irqreturn_t xen_9pfs_front_event_handler(int irq, void *r)
 static struct p9_trans_module p9_xen_trans = {
 	.name = "xen",
 	.maxsize = 1 << (XEN_9PFS_RING_ORDER + XEN_PAGE_SHIFT - 2),
+	.pooled_rbuffers = false,
 	.def = 1,
 	.create = p9_xen_create,
 	.close = p9_xen_close,
@@ -279,13 +280,13 @@ static void xen_9pfs_front_free(struct xen_9pfs_front_priv *priv)
 				grant_ref_t ref;
 
 				ref = priv->rings[i].intf->ref[j];
-				gnttab_end_foreign_access(ref, 0, 0);
+				gnttab_end_foreign_access(ref, NULL);
 			}
-			free_pages((unsigned long)priv->rings[i].data.in,
-				   priv->rings[i].intf->ring_order -
-				   (PAGE_SHIFT - XEN_PAGE_SHIFT));
+			free_pages_exact(priv->rings[i].data.in,
+				   1UL << (priv->rings[i].intf->ring_order +
+					   XEN_PAGE_SHIFT));
 		}
-		gnttab_end_foreign_access(priv->rings[i].ref, 0, 0);
+		gnttab_end_foreign_access(priv->rings[i].ref, NULL);
 		free_page((unsigned long)priv->rings[i].intf);
 	}
 	kfree(priv->rings);
@@ -322,8 +323,8 @@ static int xen_9pfs_front_alloc_dataring(struct xenbus_device *dev,
 	if (ret < 0)
 		goto out;
 	ring->ref = ret;
-	bytes = (void *)__get_free_pages(GFP_KERNEL | __GFP_ZERO,
-			order - (PAGE_SHIFT - XEN_PAGE_SHIFT));
+	bytes = alloc_pages_exact(1UL << (order + XEN_PAGE_SHIFT),
+				  GFP_KERNEL | __GFP_ZERO);
 	if (!bytes) {
 		ret = -ENOMEM;
 		goto out;
@@ -353,12 +354,10 @@ static int xen_9pfs_front_alloc_dataring(struct xenbus_device *dev,
 out:
 	if (bytes) {
 		for (i--; i >= 0; i--)
-			gnttab_end_foreign_access(ring->intf->ref[i], 0, 0);
-		free_pages((unsigned long)bytes,
-			   ring->intf->ring_order -
-			   (PAGE_SHIFT - XEN_PAGE_SHIFT));
+			gnttab_end_foreign_access(ring->intf->ref[i], NULL);
+		free_pages_exact(bytes, 1UL << (order + XEN_PAGE_SHIFT));
 	}
-	gnttab_end_foreign_access(ring->ref, 0, 0);
+	gnttab_end_foreign_access(ring->ref, NULL);
 	free_page((unsigned long)ring->intf);
 	return ret;
 }
@@ -512,7 +511,7 @@ static struct xenbus_driver xen_9pfs_front_driver = {
 	.otherend_changed = xen_9pfs_front_changed,
 };
 
-static int p9_trans_xen_init(void)
+static int __init p9_trans_xen_init(void)
 {
 	int rc;
 
@@ -531,13 +530,14 @@ static int p9_trans_xen_init(void)
 module_init(p9_trans_xen_init);
 MODULE_ALIAS_9P("xen");
 
-static void p9_trans_xen_exit(void)
+static void __exit p9_trans_xen_exit(void)
 {
 	v9fs_unregister_trans(&p9_xen_trans);
 	return xenbus_unregister_driver(&xen_9pfs_front_driver);
 }
 module_exit(p9_trans_xen_exit);
 
+MODULE_ALIAS("xen:9pfs");
 MODULE_AUTHOR("Stefano Stabellini <stefano@aporeto.com>");
 MODULE_DESCRIPTION("Xen Transport for 9P");
 MODULE_LICENSE("GPL");