static void *fb_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
	(*pos)++;
	return (*pos < FB_MAX) ? pos : NULL;
}
static void *fb_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
	(*pos)++;
	return (*pos < FB_MAX) ? pos : NULL;
}