netdev - Re: [PATCH v6 net-next 07/19] ionic: Add basic adminq support

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Date:   Thu, 29 Aug 2019 15:52:51 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Shannon Nelson <snelson@...sando.io>
Cc:     netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH v6 net-next 07/19] ionic: Add basic adminq support

On Thu, 29 Aug 2019 11:27:08 -0700, Shannon Nelson wrote:
> +static void ionic_lif_qcq_deinit(struct ionic_lif *lif, struct ionic_qcq *qcq)
> +{
> +	struct ionic_dev *idev = &lif->ionic->idev;
> +	struct device *dev = lif->ionic->dev;
> +
> +	if (!qcq)
> +		return;
> +
> +	ionic_debugfs_del_qcq(qcq);
> +
> +	if (!(qcq->flags & IONIC_QCQ_F_INITED))
> +		return;
> +
> +	if (qcq->flags & IONIC_QCQ_F_INTR) {
> +		ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
> +				IONIC_INTR_MASK_SET);
> +		synchronize_irq(qcq->intr.vector);
> +		devm_free_irq(dev, qcq->intr.vector, &qcq->napi);

Doesn't free_irq() basically imply synchronize_irq()?

> +		netif_napi_del(&qcq->napi);
> +	}
> +
> +	qcq->flags &= ~IONIC_QCQ_F_INITED;