int oprofilefs_ulong_from_user(unsigned long * val, char const __user * buf, size_t count)
{
char tmpbuf[TMPBUFSIZE];
+ unsigned long flags;
if (!count)
return 0;
if (copy_from_user(tmpbuf, buf, count))
return -EFAULT;
- spin_lock(&oprofilefs_lock);
+ spin_lock_irqsave(&oprofilefs_lock, flags);
*val = simple_strtoul(tmpbuf, NULL, 0);
- spin_unlock(&oprofilefs_lock);
+ spin_unlock_irqrestore(&oprofilefs_lock, flags);
return 0;
}