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x86, mce: Cleanup mce_create()/remove_device() 

Use temporary local variable sysdev to simplify the code. No change in
logic.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Acked-by: Tony Luck <tony.luck@intel.com>
Link: http://lkml.kernel.org/r/4DEED777.7080205@jp.fujitsu.com
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This commit is contained in:
Hidetoshi Seto 2011-06-08 10:59:19 +09:00 committed by Borislav Petkov
parent 3a97fc3413
commit f6783c4234
1 changed files with 14 additions and 13 deletions
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27
arch/x86/kernel/cpu/mcheck/mce.c
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@ -1925,28 +1925,28 @@ static cpumask_var_t mce_dev_initialized;
/* Per cpu sysdev init. All of the cpus still share the same ctrl bank: */
static __cpuinit int mce_create_device(unsigned int cpu)
{
struct sys_device *sysdev = &per_cpu(mce_dev, cpu);
int err;
int i, j;
if (!mce_available(&boot_cpu_data))
return -EIO;
memset(&per_cpu(mce_dev, cpu).kobj, 0, sizeof(struct kobject));
per_cpu(mce_dev, cpu).id = cpu;
per_cpu(mce_dev, cpu).cls = &mce_sysclass;
memset(&sysdev->kobj, 0, sizeof(struct kobject));
sysdev->id = cpu;
sysdev->cls = &mce_sysclass;
err = sysdev_register(&per_cpu(mce_dev, cpu));
err = sysdev_register(sysdev);
if (err)
return err;
for (i = 0; mce_attrs[i]; i++) {
err = sysdev_create_file(&per_cpu(mce_dev, cpu), mce_attrs[i]);
err = sysdev_create_file(sysdev, mce_attrs[i]);
if (err)
goto error;
}
for (j = 0; j < banks; j++) {
err = sysdev_create_file(&per_cpu(mce_dev, cpu),
&mce_banks[j].attr);
err = sysdev_create_file(sysdev, &mce_banks[j].attr);
if (err)
goto error2;
}
@ -1955,30 +1955,31 @@ static __cpuinit int mce_create_device(unsigned int cpu)
return 0;
error2:
while (--j >= 0)
sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[j].attr);
sysdev_remove_file(sysdev, &mce_banks[j].attr);
error:
while (--i >= 0)
sysdev_remove_file(&per_cpu(mce_dev, cpu), mce_attrs[i]);
sysdev_remove_file(sysdev, mce_attrs[i]);
sysdev_unregister(&per_cpu(mce_dev, cpu));
sysdev_unregister(sysdev);
return err;
}
static __cpuinit void mce_remove_device(unsigned int cpu)
{
struct sys_device *sysdev = &per_cpu(mce_dev, cpu);
int i;
if (!cpumask_test_cpu(cpu, mce_dev_initialized))
return;
for (i = 0; mce_attrs[i]; i++)
sysdev_remove_file(&per_cpu(mce_dev, cpu), mce_attrs[i]);
sysdev_remove_file(sysdev, mce_attrs[i]);
for (i = 0; i < banks; i++)
sysdev_remove_file(&per_cpu(mce_dev, cpu), &mce_banks[i].attr);
sysdev_remove_file(sysdev, &mce_banks[i].attr);
sysdev_unregister(&per_cpu(mce_dev, cpu));
sysdev_unregister(sysdev);
cpumask_clear_cpu(cpu, mce_dev_initialized);
}