ethdev: change device info get callback to return int

[dpdk.git] / lib / librte_ethdev / rte_ethdev.c

diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c
index 42b1d6e..30b0c78 100644 (file)
--- a/lib/librte_ethdev/rte_ethdev.c
+++ b/lib/librte_ethdev/rte_ethdev.c
@@ -2559,6 +2559,7 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
                .nb_seg_max = UINT16_MAX,
                .nb_mtu_seg_max = UINT16_MAX,
        };
+       int diag;
 
        /*
         * Init dev_info before port_id check since caller does not have
@@ -2576,7 +2577,13 @@ rte_eth_dev_info_get(uint16_t port_id, struct rte_eth_dev_info *dev_info)
        dev_info->max_mtu = UINT16_MAX;
 
        RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_infos_get, -ENOTSUP);
-       (*dev->dev_ops->dev_infos_get)(dev, dev_info);
+       diag = (*dev->dev_ops->dev_infos_get)(dev, dev_info);
+       if (diag != 0) {
+               /* Cleanup already filled in device information */
+               memset(dev_info, 0, sizeof(struct rte_eth_dev_info));
+               return eth_err(port_id, diag);
+       }
+
        dev_info->driver_name = dev->device->driver->name;
        dev_info->nb_rx_queues = dev->data->nb_rx_queues;
        dev_info->nb_tx_queues = dev->data->nb_tx_queues;