diff options
Diffstat (limited to 'arch/x86/kernel/cpuid.c')
-rw-r--r-- | arch/x86/kernel/cpuid.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index c10ebc4b8e4b..288e7a6598ac 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -62,9 +62,9 @@ static void cpuid_smp_cpuid(void *cmd_block) static loff_t cpuid_seek(struct file *file, loff_t offset, int orig) { loff_t ret; + struct inode *inode = file->f_mapping->host; - lock_kernel(); - + mutex_lock(&inode->i_mutex); switch (orig) { case 0: file->f_pos = offset; @@ -77,8 +77,7 @@ static loff_t cpuid_seek(struct file *file, loff_t offset, int orig) default: ret = -EINVAL; } - - unlock_kernel(); + mutex_unlock(&inode->i_mutex); return ret; } |