xen/21744-x86-cpufreq-range-check.patch
Charles Arnold ff4b346ede - bnc#620694 - Xen yast vm-install for existing paravirtualized
disk fails with UnboundLocalError: local variable 'dev_type' 
  referenced before assignment 
  21678-xend-mac-fix.patch

- bnc#586221 - cannot add DomU with USB host controller defined
  domu-usb-controller.patch (Chun Yan Liu)

- Upstream patches from Jan
  21151-trace-bounds-check.patch
  21627-cpuidle-wrap.patch
  21643-vmx-vpmu-pmc-offset.patch
  21682-trace-buffer-range.patch
  21683-vtd-kill-timer-conditional.patch
  21693-memevent-64bit-only.patch
  21695-trace-t_info-readonly.patch
  21698-x86-pirq-range-check.patch
  21699-p2m-query-for-type-change.patch
  21700-32on64-vm86-gpf.patch
  21705-trace-printk.patch
  21706-trace-security.patch
  21712-amd-osvw.patch
  21744-x86-cpufreq-range-check.patch

- bnc #599550 - Xen cannot distinguish the status of 'pause'
  addcommand_domstate.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=63
2010-07-14 22:43:11 +00:00

28 lines
748 B
Diff

# HG changeset patch
# User Keir Fraser <keir.fraser@citrix.com>
# Date 1278578686 -3600
# Node ID df63728e1680ce7827bd58f6bda453f70ed41ad9
# Parent a0f0ae5be814f19590d5a59d91ab7183cd1a325f
x86/cpufreq: check array index before use
... rather than after.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
--- a/xen/arch/x86/acpi/cpufreq/cpufreq.c
+++ b/xen/arch/x86/acpi/cpufreq/cpufreq.c
@@ -210,9 +210,11 @@
if (!cpu_isset(cpu, mask))
cpu = first_cpu(mask);
+ if (cpu >= NR_CPUS)
+ return 0;
+
policy = cpufreq_cpu_policy[cpu];
-
- if (cpu >= NR_CPUS || !policy || !drv_data[policy->cpu])
+ if (!policy || !drv_data[policy->cpu])
return 0;
switch (drv_data[policy->cpu]->cpu_feature) {