From: Keir Fraser <keir.fraser@citrix.com>
Date: Sat, 13 Dec 2008 15:04:53 +0000 (+0000)
Subject: xc_pm: Fix off-by-one error in string array access.
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~14026^2~27
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=0347bade8b442ad7dd19628c0ac3e509a6b786bf;p=xen.git

xc_pm: Fix off-by-one error in string array access.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
---

diff --git a/tools/libxc/xc_pm.c b/tools/libxc/xc_pm.c
index 6edb1a210f..3b2f314ca2 100644
--- a/tools/libxc/xc_pm.c
+++ b/tools/libxc/xc_pm.c
@@ -285,7 +285,7 @@ int xc_set_cpufreq_gov(int xc_handle, int cpuid, char *govname)
     sysctl.u.pm_op.cmd = SET_CPUFREQ_GOV;
     sysctl.u.pm_op.cpuid = cpuid;
     strncpy(scaling_governor, govname, CPUFREQ_NAME_LEN);
-    scaling_governor[CPUFREQ_NAME_LEN] = '\0';
+    scaling_governor[CPUFREQ_NAME_LEN - 1] = '\0';
 
     return xc_sysctl(xc_handle, &sysctl);
 }