examples/l2fwd-event: check function errors

[dpdk.git] / examples / l2fwd-event / main.c

diff --git a/examples/l2fwd-event/main.c b/examples/l2fwd-event/main.c
index 142c00e..89a6bb9 100644 (file)
--- a/examples/l2fwd-event/main.c
+++ b/examples/l2fwd-event/main.c
@@ -234,6 +234,7 @@ check_all_ports_link_status(struct l2fwd_resources *rsrc,
        uint16_t port_id;
        uint8_t count, all_ports_up, print_flag = 0;
        struct rte_eth_link link;
+       int ret;
 
        printf("\nChecking link status...");
        fflush(stdout);
@@ -247,7 +248,14 @@ check_all_ports_link_status(struct l2fwd_resources *rsrc,
                        if ((port_mask & (1 << port_id)) == 0)
                                continue;
                        memset(&link, 0, sizeof(link));
-                       rte_eth_link_get_nowait(port_id, &link);
+                       ret = rte_eth_link_get_nowait(port_id, &link);
+                       if (ret < 0) {
+                               all_ports_up = 0;
+                               if (print_flag == 1)
+                                       printf("Port %u link get failed: %s\n",
+                                               port_id, rte_strerror(-ret));
+                               continue;
+                       }
                        /* print link status if flag set */
                        if (print_flag == 1) {
                                if (link.link_status)