Signed-off-by: Arnd Bergmann <arnd@arndb.de>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
+#include <linux/smp_lock.h>
#include <linux/string.h>
#include <linux/rcupdate.h>
#include <linux/kallsyms.h>
#include <linux/string.h>
#include <linux/rcupdate.h>
#include <linux/kallsyms.h>
static int mce_open(struct inode *inode, struct file *file)
{
static int mce_open(struct inode *inode, struct file *file)
{
spin_lock(&mce_state_lock);
if (open_exclu || (open_count && (file->f_flags & O_EXCL))) {
spin_unlock(&mce_state_lock);
spin_lock(&mce_state_lock);
if (open_exclu || (open_count && (file->f_flags & O_EXCL))) {
spin_unlock(&mce_state_lock);
open_count++;
spin_unlock(&mce_state_lock);
open_count++;
spin_unlock(&mce_state_lock);
return nonseekable_open(inode, file);
}
return nonseekable_open(inode, file);
}