From f6783c4234e65bd6f85596d97745ccdbf041cb63 Mon Sep 17 00:00:00 2001 From: Hidetoshi Seto Date: Wed, 8 Jun 2011 10:59:19 +0900 Subject: [PATCH] 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 Acked-by: Tony Luck Link: http://lkml.kernel.org/r/4DEED777.7080205@jp.fujitsu.com Signed-off-by: Borislav Petkov --- arch/x86/kernel/cpu/mcheck/mce.c | 27 ++++++++++++++------------- 1 file changed, 14 insertions(+), 13 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 2cc98d5..f3f648c 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -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); } -- 2.7.4