[dpdk-dev] [DPDK] net/i40e: add return value checks

[Zhang, Helin]

> -----Original Message-----
> From: Lipiec, Herakliusz
> Sent: Tuesday, May 9, 2017 10:38 PM
> To: Zhang, Helin; Wu, Jingjing
> Cc: dev at dpdk.org
> Subject: [DPDK] net/i40e: add return value checks
> 
> Coverity issue: 1379362
> Coverity issue: 1379365
> Fixes: 71d35259ff67 ("i40e: tear down flow director")
> 
> Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec at intel.com>
Acked-by: Helin Zhang <helin.zhang at intel.com>
> ---
>  drivers/net/i40e/i40e_fdir.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c index
> 28cc554..b8cfa0f 100644
> --- a/drivers/net/i40e/i40e_fdir.c
> +++ b/drivers/net/i40e/i40e_fdir.c
> @@ -300,8 +300,12 @@ i40e_fdir_teardown(struct i40e_pf *pf)
>  	vsi = pf->fdir.fdir_vsi;
>  	if (!vsi)
>  		return;
> -	i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
> -	i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
> +	int err = i40e_switch_tx_queue(hw, vsi->base_queue, FALSE);
> +	if (err)
> +		PMD_DRV_LOG(DEBUG, "Failed to do FDIR TX switch off");
> +	err = i40e_switch_rx_queue(hw, vsi->base_queue, FALSE);
> +	if (err)
> +		PMD_DRV_LOG(DEBUG, "Failed to do FDIR RX switch off");
>  	i40e_dev_rx_queue_release(pf->fdir.rxq);
>  	pf->fdir.rxq = NULL;
>  	i40e_dev_tx_queue_release(pf->fdir.txq);
> --
> 2.7.4