On 6/19/2018 10:30 PM, Ajit Khaparde wrote:
> From: Jay Ding <jay.d...@broadcom.com>
> 
> Add checking for VNIC id before sending message to firmware in
> bnxt_hwrm_vnic_plcmode_cfg().

Can you please add more information, when fw_vnic_id == INVALID_HW_RING_ID, what
does it mean to have fw_vnic_id == INVALID_HW_RING_ID, what is the expected
result without this check?

If this is fixing an issue please update commit according with proper
Fixex/stable tags that patch can be backported to stable trees.

> 
> Signed-off-by: Jay Ding <jay.d...@broadcom.com>
> Reviewed-by: Randy Schacher <stuart.schac...@broadcom.com>
> Reviewed-by: Ajit Khaparde <ajit.khapa...@broadcom.com>
> ---
>  drivers/net/bnxt/bnxt_hwrm.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
> index 64687a69b..910129f12 100644
> --- a/drivers/net/bnxt/bnxt_hwrm.c
> +++ b/drivers/net/bnxt/bnxt_hwrm.c
> @@ -1560,6 +1560,11 @@ int bnxt_hwrm_vnic_plcmode_cfg(struct bnxt *bp,
>       struct hwrm_vnic_plcmodes_cfg_output *resp = bp->hwrm_cmd_resp_addr;
>       uint16_t size;
>  
> +     if (vnic->fw_vnic_id == INVALID_HW_RING_ID) {
> +             PMD_DRV_LOG(DEBUG, "VNIC ID %x\n", vnic->fw_vnic_id);
> +             return rc;
> +     }
> +
>       HWRM_PREP(req, VNIC_PLCMODES_CFG);
>  
>       req.flags = rte_cpu_to_le_32(
> 

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