diff options
Diffstat (limited to 'arch/x86/kernel/cpuid.c')
| -rw-r--r-- | arch/x86/kernel/cpuid.c | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 6a52d4b36a3..7ef24a79699 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -116,21 +116,16 @@ static int cpuid_open(struct inode *inode, struct file *file) { unsigned int cpu; struct cpuinfo_x86 *c; - 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 (c->cpuid_level < 0) - ret = -EIO; /* CPUID not supported */ -out: - unlock_kernel(); - return ret; + return -EIO; /* CPUID not supported */ + + return 0; } /* |