File hotplug-Linux-block-find-free-loop-fix.patch of Package xen.openSUSE_13.1_Update

Index: xen-4.3.4-testing/tools/hotplug/Linux/block
===================================================================
--- xen-4.3.4-testing.orig/tools/hotplug/Linux/block
+++ xen-4.3.4-testing/tools/hotplug/Linux/block
@@ -21,7 +21,7 @@ find_free_loopback_helper() {
   local busy_devnum
   while read busy_devnum; do
     if [ "$next_devnum" != "$busy_devnum" ]; then
-      break
+      case "$busy_devnum" in *[0-9]*) break;; esac
     fi
     let next_devnum=$next_devnum+1
   done