[PATCH v2] net/iavf: fix coredump when exiting testpmd

[Zhang, Qi Z]

> -----Original Message-----
> From: Kaiwen Deng <kaiwenx.deng at intel.com>
> Sent: Wednesday, November 1, 2023 9:35 AM
> To: dev at dpdk.org
> Cc: stable at dpdk.org; Yang, Qiming <qiming.yang at intel.com>; Zhou, YidingX
> <yidingx.zhou at intel.com>; Deng, KaiwenX <kaiwenx.deng at intel.com>; Wu,
> Jingjing <jingjing.wu at intel.com>; Xing, Beilei <beilei.xing at intel.com>; Zeng,
> ZhichaoX <zhichaox.zeng at intel.com>
> Subject: [PATCH v2] net/iavf: fix coredump when exiting testpmd

please remove testpmd from the title if this issue is not specific to testpmd.

You can always add reproduce step with testpmd in commit log.

> 
> Avf releasing mbuf using the vector path release API causes a coredump
> when the basic Tx path is selected.
> This commit changes to use the basic path release API when selecting the
> basic Tx path.
> 
> Fixes: 22f1e7608ebc ("net/iavf: fix AVX2 Tx selection")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Kaiwen Deng <kaiwenx.deng at intel.com>
> ---
>  drivers/net/iavf/iavf_rxtx.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/iavf/iavf_rxtx.c b/drivers/net/iavf/iavf_rxtx.c index
> 610912f635..a16e03d88c 100644
> --- a/drivers/net/iavf/iavf_rxtx.c
> +++ b/drivers/net/iavf/iavf_rxtx.c
> @@ -4022,6 +4022,7 @@ iavf_set_tx_function(struct rte_eth_dev *dev)
>  				PMD_DRV_LOG(DEBUG,
>  					"AVX2 does not support outer
> checksum offload, using Basic Tx (port %d).",
>  					dev->data->port_id);
> +				return;
>  			} else {
>  				dev->tx_pkt_burst =
> iavf_xmit_pkts_vec_avx2_offload;
>  				dev->tx_pkt_prepare = iavf_prep_pkts;
> --
> 2.34.1