Re: [dpdk-dev] [PATCH] i40e: zero local variable

["Zhang, Helin" <helin.zhang@intel.com>]

> -----Original Message-----
> From: Wu, Jingjing
> Sent: Thursday, March 26, 2015 5:38 AM
> To: dev@dpdk.org
> Cc: Wu, Jingjing; Zhang, Helin; Cao, Min
> Subject: [PATCH] i40e: zero local variable
> 
> This patch sets the local variable ctxt to zero to avoid uncertain data causes
> error when creating a vsi for flow director.
> 
> Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>

> ---
>  lib/librte_pmd_i40e/i40e_ethdev.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c
> b/lib/librte_pmd_i40e/i40e_ethdev.c
> index cf6685e..80fc432 100644
> --- a/lib/librte_pmd_i40e/i40e_ethdev.c
> +++ b/lib/librte_pmd_i40e/i40e_ethdev.c
> @@ -3120,6 +3120,7 @@ i40e_vsi_setup(struct i40e_pf *pf,
>  		ctxt.info.valid_sections |=
>  			rte_cpu_to_le_16(I40E_AQ_VSI_PROP_SCHED_VALID);
>  	} else if (type == I40E_VSI_FDIR) {
> +		memset(&ctxt, 0, sizeof(ctxt));
>  		vsi->uplink_seid = uplink_vsi->uplink_seid;
>  		ctxt.pf_num = hw->pf_id;
>  		ctxt.vf_num = 0;
> @@ -3143,7 +3144,7 @@ i40e_vsi_setup(struct i40e_pf *pf,
> 
>  	if (vsi->type != I40E_VSI_MAIN) {
>  		ret = i40e_aq_add_vsi(hw, &ctxt, NULL);
> -		if (ret) {
> +		if (ret != I40E_SUCCESS) {
>  			PMD_DRV_LOG(ERR, "add vsi failed, aq_err=%d",
>  				    hw->aq.asq_last_status);
>  			goto fail_msix_alloc;
> --
> 1.9.3