[dpdk-dev] [PATCH v3 1/2] librte_ether: release memory in uninit function.

Thomas Monjalon thomas.monjalon at 6wind.com
Fri Jul 17 15:55:58 CEST 2015


2015-07-13 14:04, Bernard Iremonger:
> @@ -387,8 +387,12 @@ rte_eth_dev_uninit(struct rte_pci_device *pci_dev)
>  	/* free ether device */
>  	rte_eth_dev_release_port(eth_dev);
>  
> -	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
> +	if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
> +		rte_free(eth_dev->data->rx_queues);
> +		rte_free(eth_dev->data->tx_queues);
>  		rte_free(eth_dev->data->dev_private);
> +		memset(eth_dev->data, 0, sizeof(struct rte_eth_dev_data));
> +	}

What is the benefit of freeing queues in detach/uninit function?
It is already freed in the close function of your other patch
and calling close() is mandatory before calling detach():
	http://dpdk.org/browse/dpdk/tree/doc/guides/prog_guide/port_hotplug_framework.rst#n63
	http://dpdk.org/browse/dpdk/tree/lib/librte_ether/rte_ethdev.h#n1699



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