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[Xen-devel] [PATH] Fix overflow in xc_set_cpufreq_gov
| To: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATH] Fix overflow in xc_set_cpufreq_gov |
| From: | Jean Guyader <jean.guyader@xxxxxxxxxxxxx> |
| Date: | Fri, 12 Dec 2008 12:17:50 +0000 |
| Delivery-date: | Fri, 12 Dec 2008 04:17:14 -0800 |
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This fix an overflow on scaling_governor. Recent compilers fail on this kind of statements. Signed-off-by: Jean Guyader <jean.guyader@xxxxxxxxxxxxx> -- Jean Guyader diff -r 68b76ad4faf7 tools/libxc/xc_pm.c
--- a/tools/libxc/xc_pm.c Thu Dec 11 22:32:20 2008 +0000
+++ b/tools/libxc/xc_pm.c Fri Dec 12 12:14:22 2008 +0000
@@ -285,7 +285,7 @@
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);
}
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