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-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index f0ea6fa2f53c..d2cc4991cbaa 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -458,11 +458,6 @@ static int centrino_verify (struct cpufreq_policy *policy)
458 * 458 *
459 * Sets a new CPUFreq policy. 459 * Sets a new CPUFreq policy.
460 */ 460 */
461struct allmasks {
462 cpumask_t saved_mask;
463 cpumask_t covered_cpus;
464};
465
466static int centrino_target (struct cpufreq_policy *policy, 461static int centrino_target (struct cpufreq_policy *policy,
467 unsigned int target_freq, 462 unsigned int target_freq,
468 unsigned int relation) 463 unsigned int relation)
@@ -472,12 +467,15 @@ static int centrino_target (struct cpufreq_policy *policy,
472 struct cpufreq_freqs freqs; 467 struct cpufreq_freqs freqs;
473 int retval = 0; 468 int retval = 0;
474 unsigned int j, k, first_cpu, tmp; 469 unsigned int j, k, first_cpu, tmp;
475 CPUMASK_ALLOC(allmasks); 470 cpumask_var_t saved_mask, covered_cpus;
476 CPUMASK_PTR(saved_mask, allmasks);
477 CPUMASK_PTR(covered_cpus, allmasks);
478 471
479 if (unlikely(allmasks == NULL)) 472 if (unlikely(!alloc_cpumask_var(&saved_mask, GFP_KERNEL)))
480 return -ENOMEM; 473 return -ENOMEM;
474 if (unlikely(!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))) {
475 free_cpumask_var(saved_mask);
476 return -ENOMEM;
477 }
478 cpumask_copy(saved_mask, &current->cpus_allowed);
481 479
482 if (unlikely(per_cpu(centrino_model, cpu) == NULL)) { 480 if (unlikely(per_cpu(centrino_model, cpu) == NULL)) {
483 retval = -ENODEV; 481 retval = -ENODEV;
@@ -493,9 +491,7 @@ static int centrino_target (struct cpufreq_policy *policy,
493 goto out; 491 goto out;
494 } 492 }
495 493
496 *saved_mask = current->cpus_allowed;
497 first_cpu = 1; 494 first_cpu = 1;
498 cpus_clear(*covered_cpus);
499 for_each_cpu_mask_nr(j, policy->cpus) { 495 for_each_cpu_mask_nr(j, policy->cpus) {
500 const cpumask_t *mask; 496 const cpumask_t *mask;
501 497
@@ -605,7 +601,8 @@ migrate_end:
605 preempt_enable(); 601 preempt_enable();
606 set_cpus_allowed_ptr(current, saved_mask); 602 set_cpus_allowed_ptr(current, saved_mask);
607out: 603out:
608 CPUMASK_FREE(allmasks); 604 free_cpumask_var(saved_mask);
605 free_cpumask_var(covered_cpus);
609 return retval; 606 return retval;
610} 607}
611 608