Re: [dpdk-stable] [PATCH] net/octeontx: fix memory leak of MAC address table

[Harman Kalra <hkalra@marvell.com>]

On Wed, Jan 29, 2020 at 02:47:04PM +0530, Sunil Kumar Kori wrote:
> MAC address table is allocated during octeontx device create and
> same is used to maintain list of MAC address associated to port.
> This table is not getting freed niether in case of error nor during
> graceful shutdown of port.
> 
> Patch fixes memory required memory for both the cases as mentioned.
> 
> Fixes: f18b146c498d ("net/octeontx: create ethdev ports")
> 
> Signed-off-by: Sunil Kumar Kori <skori@marvell.com>

Acked-by: Harman Kalra <hkalra@marvell.com>

> ---
>  drivers/net/octeontx/octeontx_ethdev.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/octeontx/octeontx_ethdev.c b/drivers/net/octeontx/octeontx_ethdev.c
> index e23162d8a..40d9d67da 100644
> --- a/drivers/net/octeontx/octeontx_ethdev.c
> +++ b/drivers/net/octeontx/octeontx_ethdev.c
> @@ -351,6 +351,10 @@ octeontx_dev_close(struct rte_eth_dev *dev)
>  		rte_free(txq);
>  	}
>  
> +	/* Free MAC address table */
> +	rte_free(dev->data->mac_addrs);
> +	dev->data->mac_addrs = NULL;
> +
>  	dev->tx_pkt_burst = NULL;
>  	dev->rx_pkt_burst = NULL;
>  }
> @@ -1143,7 +1147,7 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
>  		octeontx_log_err("eth_dev->port_id (%d) is diff to orig (%d)",
>  				data->port_id, nic->port_id);
>  		res = -EINVAL;
> -		goto err;
> +		goto free_mac_addrs;
>  	}
>  
>  	/* Update port_id mac to eth_dev */
> @@ -1162,6 +1166,8 @@ octeontx_create(struct rte_vdev_device *dev, int port, uint8_t evdev,
>  	rte_eth_dev_probing_finish(eth_dev);
>  	return data->port_id;
>  
> +free_mac_addrs:
> +	rte_free(data->mac_addrs);
>  err:
>  	if (nic)
>  		octeontx_port_close(nic);
> -- 
> 2.17.1
>