static void flush_channel_fifos()

in core.c [118:146]

• 25 lines of code
• 5 McCabe index (conditional complexity)

static void flush_channel_fifos(struct most_channel *c)
{
	unsigned long flags, hf_flags;
	struct mbo *mbo, *tmp;

	if (list_empty(&c->fifo) && list_empty(&c->halt_fifo))
		return;

	spin_lock_irqsave(&c->fifo_lock, flags);
	list_for_each_entry_safe(mbo, tmp, &c->fifo, list) {
		list_del(&mbo->list);
		spin_unlock_irqrestore(&c->fifo_lock, flags);
		most_free_mbo_coherent(mbo);
		spin_lock_irqsave(&c->fifo_lock, flags);
	}
	spin_unlock_irqrestore(&c->fifo_lock, flags);

	spin_lock_irqsave(&c->fifo_lock, hf_flags);
	list_for_each_entry_safe(mbo, tmp, &c->halt_fifo, list) {
		list_del(&mbo->list);
		spin_unlock_irqrestore(&c->fifo_lock, hf_flags);
		most_free_mbo_coherent(mbo);
		spin_lock_irqsave(&c->fifo_lock, hf_flags);
	}
	spin_unlock_irqrestore(&c->fifo_lock, hf_flags);

	if (unlikely((!list_empty(&c->fifo) || !list_empty(&c->halt_fifo))))
		dev_warn(&c->dev, "Channel or trash fifo not empty\n");
}