diff options
| author | Dirk Brandewie | 2014-10-13 08:37:42 -0700 |
|---|---|---|
| committer | Rafael J. Wysocki | 2014-10-23 22:59:59 +0200 |
| commit | c034871712730a33e0267095f48b62eae958499c (patch) | |
| tree | 5afe8d3fd20dbd8974a80de19dea5e0a449c47dd | |
| parent | 4521e1a0ce173daa23dfef8312d09051e057ff8e (diff) | |
intel_pstate: Don't lose sysfs settings during cpu offline
The user may have custom settings don't destroy them during suspend.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=80651
Reported-by: Tobias Jakobi <liquid.acid@gmx.net>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 5f5f5ed11691..97b349a6f5c7 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -702,7 +702,9 @@ static int intel_pstate_init_cpu(unsigned int cpunum) { struct cpudata *cpu; - all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), GFP_KERNEL); + if (!all_cpu_data[cpunum]) + all_cpu_data[cpunum] = kzalloc(sizeof(struct cpudata), + GFP_KERNEL); if (!all_cpu_data[cpunum]) return -ENOMEM; @@ -783,8 +785,6 @@ static void intel_pstate_stop_cpu(struct cpufreq_policy *policy) del_timer_sync(&all_cpu_data[cpu_num]->timer); intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); - kfree(all_cpu_data[cpu_num]); - all_cpu_data[cpu_num] = NULL; } static int intel_pstate_cpu_init(struct cpufreq_policy *policy) |