ionic: init reconfig err to 0

Initialize err to 0 instead of ENOMEM, and specifically set
err to ENOMEM in the devm_kcalloc() failure cases.

Also, add an error message to the end of reconfig.

Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index 453994e..4a36ebb 100644 (file)
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -2588,22 +2588,26 @@ int ionic_reconfigure_queues(struct ionic_lif *lif,
        struct ionic_qcq **tx_qcqs = NULL;
        struct ionic_qcq **rx_qcqs = NULL;
        unsigned int flags, i;
-       int err = -ENOMEM;
+       int err = 0;
 
        /* allocate temporary qcq arrays to hold new queue structs */
        if (qparam->nxqs != lif->nxqs || qparam->ntxq_descs != lif->ntxq_descs) {
                tx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->ntxqs_per_lif,
                                       sizeof(struct ionic_qcq *), GFP_KERNEL);
-               if (!tx_qcqs)
+               if (!tx_qcqs) {
+                       err = -ENOMEM;
                        goto err_out;
+               }
        }
        if (qparam->nxqs != lif->nxqs ||
            qparam->nrxq_descs != lif->nrxq_descs ||
            qparam->rxq_features != lif->rxq_features) {
                rx_qcqs = devm_kcalloc(lif->ionic->dev, lif->ionic->nrxqs_per_lif,
                                       sizeof(struct ionic_qcq *), GFP_KERNEL);
-               if (!rx_qcqs)
+               if (!rx_qcqs) {
+                       err = -ENOMEM;
                        goto err_out;
+               }
        }
 
        /* allocate new desc_info and rings, but leave the interrupt setup
@@ -2782,6 +2786,9 @@ err_out:
                ionic_qcq_free(lif, lif->rxqcqs[i]);
        }
 
+       if (err)
+               netdev_info(lif->netdev, "%s: failed %d\n", __func__, err);
+
        return err;
 }