preempt_disable();
/* if over the trickle threshold, use only 1 in 4096 samples */
if (input_pool.entropy_count > trickle_thresh &&
- (__get_cpu_var(trickle_count)++ & 0xfff))
+ ((__this_cpu_inc_return(trickle_count) - 1) & 0xfff))
goto out;
sample.jiffies = jiffies;
.poll = random_poll,
.unlocked_ioctl = random_ioctl,
.fasync = random_fasync,
+ .llseek = noop_llseek,
};
const struct file_operations urandom_fops = {
.write = random_write,
.unlocked_ioctl = random_ioctl,
.fasync = random_fasync,
+ .llseek = noop_llseek,
};
/***************************************************************