1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index 870f1fa58370..34ca4e58a43d 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -307,6 +307,15 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
         SET_NETDEV_DEV(dev, parent);
 
         vif = netdev_priv(dev);
+
+        vif->grant_copy_op = vmalloc(sizeof(struct gnttab_copy) *
+                                     MAX_GRANT_COPY_OPS);
+        if (vif->grant_copy_op == NULL) {
+                pr_warn("Could not allocate grant copy space for %s\n", name);
+                free_netdev(dev);
+                return ERR_PTR(-ENOMEM);
+        }
+
         vif->domid  = domid;
         vif->handle = handle;
         vif->can_sg = 1;
@@ -487,6 +496,7 @@ void xenvif_free(struct xenvif *vif)
 
         unregister_netdev(vif->dev);
 
+        vfree(vif->grant_copy_op);
         free_netdev(vif->dev);
 
         module_put(THIS_MODULE);