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From: Dirk Brandewie <dirk.brandewie@gmail.com>
If cpufreq_register_driver() fails just free memory that has been
allocated and return. intel_pstate_exit() function is removed sine we
are built-in only now there is no reason for a module exit proceedure.
Reported-by:Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
---
drivers/cpufreq/intel_pstate.c | 39 +++++++++++----------------------------
1 files changed, 11 insertions(+), 28 deletions(-)
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 2bfd083..f6dd1e7 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -750,37 +750,11 @@ static struct cpufreq_driver intel_pstate_driver = {
.owner = THIS_MODULE,
};
-static void intel_pstate_exit(void)
-{
- int cpu;
-
- sysfs_remove_group(intel_pstate_kobject,
- &intel_pstate_attr_group);
- debugfs_remove_recursive(debugfs_parent);
-
- cpufreq_unregister_driver(&intel_pstate_driver);
-
- if (!all_cpu_data)
- return;
-
- get_online_cpus();
- for_each_online_cpu(cpu) {
- if (all_cpu_data[cpu]) {
- del_timer_sync(&all_cpu_data[cpu]->timer);
- kfree(all_cpu_data[cpu]);
- }
- }
-
- put_online_cpus();
- vfree(all_cpu_data);
-}
-module_exit(intel_pstate_exit);
-
static int __initdata no_load;
static int __init intel_pstate_init(void)
{
- int rc = 0;
+ int cpu, rc = 0;
const struct x86_cpu_id *id;
if (no_load)
@@ -805,7 +779,16 @@ static int __init intel_pstate_init(void)
intel_pstate_sysfs_expose_params();
return rc;
out:
- intel_pstate_exit();
+ get_online_cpus();
+ for_each_online_cpu(cpu) {
+ if (all_cpu_data[cpu]) {
+ del_timer_sync(&all_cpu_data[cpu]->timer);
+ kfree(all_cpu_data[cpu]);
+ }
+ }
+
+ put_online_cpus();
+ vfree(all_cpu_data);
return -ENODEV;
}
device_initcall(intel_pstate_init);
--
1.7.7.6
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