Merge branch 'master' into 85xx

[powerpc.git] / arch / i386 / kernel / msr.c

diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index a773f77..4e14264 100644 (file)
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -172,7 +172,7 @@ static ssize_t msr_read(struct file *file, char __user * buf,
        u32 __user *tmp = (u32 __user *) buf;
        u32 data[2];
        u32 reg = *ppos;
-       int cpu = iminor(file->f_dentry->d_inode);
+       int cpu = iminor(file->f_path.dentry->d_inode);
        int err;
 
        if (count % 8)
@@ -195,15 +195,14 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
 {
        const u32 __user *tmp = (const u32 __user *)buf;
        u32 data[2];
-       size_t rv;
        u32 reg = *ppos;
-       int cpu = iminor(file->f_dentry->d_inode);
+       int cpu = iminor(file->f_path.dentry->d_inode);
        int err;
 
        if (count % 8)
                return -EINVAL; /* Invalid chunk size */
 
-       for (rv = 0; count; count -= 8) {
+       for (; count; count -= 8) {
                if (copy_from_user(&data, tmp, 8))
                        return -EFAULT;
                err = do_wrmsr(cpu, reg, data[0], data[1]);
@@ -217,7 +216,7 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
 
 static int msr_open(struct inode *inode, struct file *file)
 {
-       unsigned int cpu = iminor(file->f_dentry->d_inode);
+       unsigned int cpu = iminor(file->f_path.dentry->d_inode);
        struct cpuinfo_x86 *c = &(cpu_data)[cpu];
 
        if (cpu >= NR_CPUS || !cpu_online(cpu))
@@ -231,7 +230,7 @@ static int msr_open(struct inode *inode, struct file *file)
 /*
  * File operations we support
  */
-static struct file_operations msr_fops = {
+static const struct file_operations msr_fops = {
        .owner = THIS_MODULE,
        .llseek = msr_seek,
        .read = msr_read,
@@ -250,7 +249,6 @@ static int msr_device_create(int i)
        return err;
 }
 
-#ifdef CONFIG_HOTPLUG_CPU
 static int msr_class_cpu_callback(struct notifier_block *nfb,
                                unsigned long action, void *hcpu)
 {
@@ -271,7 +269,6 @@ static struct notifier_block __cpuinitdata msr_class_cpu_notifier =
 {
        .notifier_call = msr_class_cpu_callback,
 };
-#endif
 
 static int __init msr_init(void)
 {