Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / arch / i386 / kernel / cpuid.c
index 2e27563..1d9a4ab 100644 (file)
@@ -45,7 +45,7 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
-static struct class_simple *cpuid_class;
+static struct class *cpuid_class;
 
 #ifdef CONFIG_SMP
 
@@ -117,14 +117,13 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
 {
        char __user *tmp = buf;
        u32 data[4];
-       size_t rv;
        u32 reg = *ppos;
        int cpu = iminor(file->f_dentry->d_inode);
 
        if (count % 16)
                return -EINVAL; /* Invalid chunk size */
 
-       for (rv = 0; count; count -= 16) {
+       for (; count; count -= 16) {
                do_cpuid(cpu, reg, data);
                if (copy_to_user(tmp, &data, 16))
                        return -EFAULT;
@@ -158,27 +157,27 @@ static struct file_operations cpuid_fops = {
        .open = cpuid_open,
 };
 
-static int cpuid_class_simple_device_add(int i) 
+static int cpuid_class_device_create(int i)
 {
        int err = 0;
        struct class_device *class_err;
 
-       class_err = class_simple_device_add(cpuid_class, MKDEV(CPUID_MAJOR, i), NULL, "cpu%d",i);
+       class_err = class_device_create(cpuid_class, NULL, MKDEV(CPUID_MAJOR, i), NULL, "cpu%d",i);
        if (IS_ERR(class_err))
                err = PTR_ERR(class_err);
        return err;
 }
 
-static int __devinit cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
+static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
 {
        unsigned int cpu = (unsigned long)hcpu;
 
        switch (action) {
        case CPU_ONLINE:
-               cpuid_class_simple_device_add(cpu);
+               cpuid_class_device_create(cpu);
                break;
        case CPU_DEAD:
-               class_simple_device_remove(MKDEV(CPUID_MAJOR, cpu));
+               class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
                break;
        }
        return NOTIFY_OK;
@@ -200,13 +199,13 @@ static int __init cpuid_init(void)
                err = -EBUSY;
                goto out;
        }
-       cpuid_class = class_simple_create(THIS_MODULE, "cpuid");
+       cpuid_class = class_create(THIS_MODULE, "cpuid");
        if (IS_ERR(cpuid_class)) {
                err = PTR_ERR(cpuid_class);
                goto out_chrdev;
        }
        for_each_online_cpu(i) {
-               err = cpuid_class_simple_device_add(i);
+               err = cpuid_class_device_create(i);
                if (err != 0) 
                        goto out_class;
        }
@@ -218,9 +217,9 @@ static int __init cpuid_init(void)
 out_class:
        i = 0;
        for_each_online_cpu(i) {
-               class_simple_device_remove(MKDEV(CPUID_MAJOR, i));
+               class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, i));
        }
-       class_simple_destroy(cpuid_class);
+       class_destroy(cpuid_class);
 out_chrdev:
        unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");    
 out:
@@ -232,8 +231,8 @@ static void __exit cpuid_exit(void)
        int cpu = 0;
 
        for_each_online_cpu(cpu)
-               class_simple_device_remove(MKDEV(CPUID_MAJOR, cpu));
-       class_simple_destroy(cpuid_class);
+               class_device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
+       class_destroy(cpuid_class);
        unregister_chrdev(CPUID_MAJOR, "cpu/cpuid");
        unregister_cpu_notifier(&cpuid_class_cpu_notifier);
 }