1 files changed, 9 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 7c7d56b4313..1b446d79a8f 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -310,6 +310,12 @@ static int powernow_acpi_init(void)
                 goto err0;
         }
 
+        if (!alloc_cpumask_var(&acpi_processor_perf->shared_cpu_map,
+                                                                GFP_KERNEL)) {
+                retval = -ENOMEM;
+                goto err05;
+        }
+
         if (acpi_processor_register_performance(acpi_processor_perf, 0)) {
                 retval = -EIO;
                 goto err1;
@@ -412,6 +418,8 @@ static int powernow_acpi_init(void)
 err2:
         acpi_processor_unregister_performance(acpi_processor_perf, 0);
 err1:
+        free_cpumask_var(acpi_processor_perf->shared_cpu_map);
+err05:
         kfree(acpi_processor_perf);
 err0:
         printk(KERN_WARNING PFX "ACPI perflib can not be used in this platform\n");
@@ -652,6 +660,7 @@ static int powernow_cpu_exit (struct cpufreq_policy *policy) {
 #ifdef CONFIG_X86_POWERNOW_K7_ACPI
         if (acpi_processor_perf) {
                 acpi_processor_unregister_performance(acpi_processor_perf, 0);
+                free_cpumask_var(acpi_processor_perf->shared_cpu_map);
                 kfree(acpi_processor_perf);
         }
 #endif