[dpdk-dev] [PATCH] app/testpmd: fix unchecked return value

[Li, Xiaoyun]

> -----Original Message-----
> From: Kalesh A P <kalesh-anakkur.purayil at broadcom.com>
> Sent: Tuesday, March 16, 2021 14:52
> To: dev at dpdk.org
> Cc: Li, Xiaoyun <xiaoyun.li at intel.com>; Yigit, Ferruh <ferruh.yigit at intel.com>
> Subject: [dpdk-dev] [PATCH] app/testpmd: fix unchecked return value
> 
> From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
> 
> This patch checks return value for rte_eth_dev_info_get() in show_macs().
> 
> Coverity issue: 353629
> Fixes: e1d44d0ad623 ("app/testpmd: show MAC addresses added to a port")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
> ---
>  app/test-pmd/config.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index
> 576d5ac..4ce75a8 100644
> --- a/app/test-pmd/config.c
> +++ b/app/test-pmd/config.c
> @@ -4930,7 +4930,8 @@ show_macs(portid_t port_id)
> 
>  	dev = &rte_eth_devices[port_id];
> 
> -	rte_eth_dev_info_get(port_id, &dev_info);
> +	if (eth_dev_info_get_print_err(port_id, &dev_info))
> +		return;
> 
>  	for (i = 0; i < dev_info.max_mac_addrs; i++) {
>  		addr = &dev->data->mac_addrs[i];
> --
> 2.10.1

Acked-by: Xiaoyun Li <xiaoyun.li at intel.com>