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platform-drivers-x86 for v4.12-2

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intel_telemetry_debugfs:
  - fix oops when load/unload module
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Merge tag 'platform-drivers-x86-v4.12-2' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform driver fix from Darren Hart:
 "Just a single patch to fix an oops in the intel_telemetry_debugfs
  module load/unload"

* tag 'platform-drivers-x86-v4.12-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: intel_telemetry_debugfs: fix oops when load/unload module
This commit is contained in:
Linus Torvalds 2017-06-16 17:30:44 +09:00
commit f69d64deed
1 changed files with 7 additions and 9 deletions
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16
drivers/platform/x86/intel_telemetry_debugfs.c
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@ -97,11 +97,9 @@
} \
}
#ifdef CONFIG_PM_SLEEP
static u8 suspend_prep_ok;
static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp;
static u64 suspend_shlw_res_temp, suspend_deep_res_temp;
#endif
struct telemetry_susp_stats {
u32 shlw_swake_ctr;
@ -807,7 +805,6 @@ static const struct file_operations telem_ioss_trc_verb_ops = {
.release = single_release,
};
#ifdef CONFIG_PM_SLEEP
static int pm_suspend_prep_cb(void)
{
struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS];
@ -937,7 +934,6 @@ static int pm_notification(struct notifier_block *this,
static struct notifier_block pm_notifier = {
.notifier_call = pm_notification,
};
#endif /* CONFIG_PM_SLEEP */
static int __init telemetry_debugfs_init(void)
{
@ -960,14 +956,13 @@ static int __init telemetry_debugfs_init(void)
if (err < 0)
return -EINVAL;
#ifdef CONFIG_PM_SLEEP
register_pm_notifier(&pm_notifier);
#endif /* CONFIG_PM_SLEEP */
debugfs_conf->telemetry_dbg_dir = debugfs_create_dir("telemetry", NULL);
if (!debugfs_conf->telemetry_dbg_dir)
return -ENOMEM;
if (!debugfs_conf->telemetry_dbg_dir) {
err = -ENOMEM;
goto out_pm;
}
f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO,
debugfs_conf->telemetry_dbg_dir, NULL,
@ -1014,6 +1009,8 @@ static int __init telemetry_debugfs_init(void)
out:
debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
debugfs_conf->telemetry_dbg_dir = NULL;
out_pm:
unregister_pm_notifier(&pm_notifier);
return err;
}
@ -1022,6 +1019,7 @@ static void __exit telemetry_debugfs_exit(void)
{
debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir);
debugfs_conf->telemetry_dbg_dir = NULL;
unregister_pm_notifier(&pm_notifier);
}
late_initcall(telemetry_debugfs_init);