From: Wei Liu <wei.liu2@citrix.com>
Date: Tue, 13 Mar 2012 15:36:58 +0000 (+0000)
Subject: libxl: fix libxl_get_cpu_topology
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=bf321201462ccf313c716e8067ed6795f405182d;p=xen.git

libxl: fix libxl_get_cpu_topology

Fix upper bound of for loop, thus preventing memory corruption.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 29eae743f5..f8b774543e 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -2873,7 +2873,7 @@ libxl_cputopology *libxl_get_cpu_topology(libxl_ctx *ctx, int *nr)
         goto fail;
     }
 
-    for (i = 0; i <= max_cpus; i++) {
+    for (i = 0; i < max_cpus; i++) {
 #define V(map, i) (map[i] == INVALID_TOPOLOGY_ID) ? \
     LIBXL_CPUTOPOLOGY_INVALID_ENTRY : map[i]
         ret[i].core = V(coremap, i);