{
unsigned int cpu = iminor(file->f_path.dentry->d_inode);
struct cpuinfo_x86 *c = &cpu_data(cpu);
- int ret = 0;
- lock_kernel();
cpu = iminor(file->f_path.dentry->d_inode);
- if (cpu >= nr_cpu_ids || !cpu_online(cpu)) {
- ret = -ENXIO; /* No such CPU */
- goto out;
- }
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu))
+ return -ENXIO; /* No such CPU */
+
c = &cpu_data(cpu);
if (!cpu_has(c, X86_FEATURE_MSR))
- ret = -EIO; /* MSR not supported */
-out:
- unlock_kernel();
- return ret;
+ return -EIO; /* MSR not supported */
+
+ return 0;
}
/*