diff -urN orig/linux-2.6.8.1-xen-sparse/drivers/xen/blkback/vbd.c mod/linux-2.6.8.1-xen-sparse/drivers/xen/blkback/vbd.c
--- orig/linux-2.6.8.1-xen-sparse/drivers/xen/blkback/vbd.c	2004-08-27 15:42:28.767750132 -0700
+++ mod/linux-2.6.8.1-xen-sparse/drivers/xen/blkback/vbd.c	2004-08-27 15:42:13.421372200 -0700
@@ -305,6 +305,9 @@
     while ( x != NULL )
     {
         t = x->next;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+        blkdev_put(x->bdev);
+#endif
         kfree(x);
         x = t;
     }
@@ -330,6 +333,9 @@
         while ( x != NULL )
         {
             t = x->next;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+            blkdev_put(x->bdev);
+#endif
             kfree(x);
             x = t;
         }