net/i40e: add return value checks

Coverity issue: 1379362
Coverity issue: 1379365
Fixes: 71d35259ff67 ("i40e: tear down flow director")
Cc: stable@dpdk.org
Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>

diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 28cc554..b8cfa0f 100644 (file)
--- 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);