From bf294945edf1e33cae1edbc4c20be5d311d2382d Mon Sep 17 00:00:00 2001
From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 9 Apr 2010 08:54:25 +0100
Subject: [PATCH] xm: Fix string index out of range in 'vcpu-pin' command

if <PCPUs> contins '' (e.g. '1,,2'), error 'string index out of range'
occurs. Fix this trivial bug.

Signed-off-by: Yu Zhiguo <yuzg@cn.fujitsu.com>
---
 tools/python/xen/xm/main.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/python/xen/xm/main.py b/tools/python/xen/xm/main.py
index 0c2f942d79..0ebcb35fb2 100644
--- a/tools/python/xen/xm/main.py
+++ b/tools/python/xen/xm/main.py
@@ -1458,6 +1458,8 @@ def xm_vcpu_pin(args):
     def cpu_make_map(cpulist):
         cpus = []
         for c in cpulist.split(','):
+            if c == '':
+                continue
             if c.find('-') != -1:
                 (x,y) = c.split('-')
                 for i in range(int(x),int(y)+1):
-- 
2.30.2