diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index e2400c8963fa6ed8f92198c0731142ff646bd684..934985d14c2459f6893a8b1c4712b98207830d8a 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -525,6 +525,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
 		rv = -ENOENT;
 		pr_debug("%s: Could not find grant reference",
 				__func__);
+		kfree(vm_priv);
 		goto out_unlock;
 	}