net/bnxt: check invalid VNIC id for firmware

Add checking for vnic id before sending message to chimp in
bnxt_hwrm_vnic_plcmode_cfg().

Fixes: db678d5c2b54 ("net/bnxt: add HWRM VNIC configure")
Cc: stable@dpdk.org
Signed-off-by: Jay Ding <jay.ding@broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher@broadcom.com>

diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index a4e0c2e..313459a 100644 (file)
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -1497,6 +1497,11 @@ static int bnxt_hwrm_vnic_plcmodes_cfg(struct bnxt *bp,
        struct hwrm_vnic_plcmodes_cfg_input req = {.req_type = 0 };
        struct hwrm_vnic_plcmodes_cfg_output *resp = bp->hwrm_cmd_resp_addr;
 
+       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, BNXT_USE_CHIMP_MB);
 
        req.vnic_id = rte_cpu_to_le_16(vnic->fw_vnic_id);