examples: check status of getting link info

[dpdk.git] / examples / ip_pipeline / cli.c

diff --git a/examples/ip_pipeline/cli.c b/examples/ip_pipeline/cli.c
index c6cf420..4930310 100644 (file)
--- a/examples/ip_pipeline/cli.c
+++ b/examples/ip_pipeline/cli.c
@@ -248,12 +248,19 @@ print_link_info(struct link *link, char *out, size_t out_size)
        struct rte_ether_addr mac_addr;
        struct rte_eth_link eth_link;
        uint16_t mtu;
+       int ret;
 
        memset(&stats, 0, sizeof(stats));
        rte_eth_stats_get(link->port_id, &stats);
 
        rte_eth_macaddr_get(link->port_id, &mac_addr);
-       rte_eth_link_get(link->port_id, &eth_link);
+       ret = rte_eth_link_get(link->port_id, &eth_link);
+       if (ret < 0) {
+               snprintf(out, out_size, "\n%s: link get failed: %s",
+                        link->name, rte_strerror(-ret));
+               return;
+       }
+
        rte_eth_dev_get_mtu(link->port_id, &mtu);
 
        snprintf(out, out_size,