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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Cc: netdev@vger.kernel.org, jaswinder.singh@linaro.org,
	ard.biesheuvel@linaro.org, bjorn.topel@intel.com,
	magnus.karlsson@intel.com, daniel@iogearbox.net, ast@kernel.org,
	makita.toshiaki@lab.ntt.co.jp, jakub.kicinski@netronome.com,
	john.fastabend@gmail.com, davem@davemloft.net,
	maciejromanfijalkowski@gmail.com, brouer@redhat.com
Subject: Re: [PATCH 1/3, net-next] net: netsec: Use page_pool API
Date: Fri, 28 Jun 2019 15:03:17 +0200	[thread overview]
Message-ID: <20190628150317.0b05e7ab@carbon> (raw)
In-Reply-To: <1561718355-13919-2-git-send-email-ilias.apalodimas@linaro.org>

On Fri, 28 Jun 2019 13:39:13 +0300
Ilias Apalodimas <ilias.apalodimas@linaro.org> wrote:

> @@ -1079,11 +1095,22 @@ static int netsec_setup_rx_dring(struct netsec_priv *priv)
>  	}
>  
>  	netsec_rx_fill(priv, 0, DESC_NUM);
> +	err = xdp_rxq_info_reg(&dring->xdp_rxq, priv->ndev, 0);
> +	if (err)
> +		goto err_out;
> +
> +	err = xdp_rxq_info_reg_mem_model(&dring->xdp_rxq, MEM_TYPE_PAGE_POOL,
> +					 dring->page_pool);
> +	if (err) {
> +		page_pool_free(dring->page_pool);
> +		goto err_out;
> +	}
>  
>  	return 0;
>  
>  err_out:
> -	return -ENOMEM;
> +	netsec_uninit_pkt_dring(priv, NETSEC_RING_RX);
> +	return err;
>  }

I think you need to move page_pool_free(dring->page_pool) until after
netsec_uninit_pkt_dring() as it use dring->page_pool.

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

  reply	other threads:[~2019-06-28 13:03 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-28 10:39 [PATCH 0/3, net-next] net: netsec: Add XDP Support Ilias Apalodimas
2019-06-28 10:39 ` [PATCH 1/3, net-next] net: netsec: Use page_pool API Ilias Apalodimas
2019-06-28 13:03   ` Jesper Dangaard Brouer [this message]
2019-06-28 13:04   ` Jesper Dangaard Brouer
2019-06-28 16:43     ` David Miller
2019-06-28 17:19       ` Ilias Apalodimas
2019-06-28 17:41         ` Jesper Dangaard Brouer
2019-06-28 10:39 ` [PATCH 2/3, net-next] net: page_pool: add helper function for retrieving dma direction Ilias Apalodimas
2019-06-28 13:07   ` Jesper Dangaard Brouer
2019-06-28 10:39 ` [PATCH 3/3, net-next] net: netsec: add XDP support Ilias Apalodimas
2019-06-28 13:35   ` Jesper Dangaard Brouer
2019-06-28 16:44     ` David Miller
2019-06-28 16:47     ` Ilias Apalodimas
2019-06-28 17:23       ` Maciej Fijalkowski
2019-06-28 17:59         ` Ilias Apalodimas

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