examples: fix port mask parsing failure handling

[dpdk.git] / examples / vhost / main.c

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 794d12b..e1578e7 100644 (file)
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -336,10 +336,24 @@ port_init(uint16_t port)
                return retval;
        }
 
-       if (promiscuous)
-               rte_eth_promiscuous_enable(port);
+       if (promiscuous) {
+               retval = rte_eth_promiscuous_enable(port);
+               if (retval != 0) {
+                       RTE_LOG(ERR, VHOST_PORT,
+                               "Failed to enable promiscuous mode on port %u: %s\n",
+                               port, rte_strerror(-retval));
+                       return retval;
+               }
+       }
+
+       retval = rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]);
+       if (retval < 0) {
+               RTE_LOG(ERR, VHOST_PORT,
+                       "Failed to get MAC address on port %u: %s\n",
+                       port, rte_strerror(-retval));
+               return retval;
+       }
 
-       rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]);
        RTE_LOG(INFO, VHOST_PORT, "Max virtio devices supported: %u\n", num_devices);
        RTE_LOG(INFO, VHOST_PORT, "Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
                        " %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
@@ -393,10 +407,7 @@ parse_portmask(const char *portmask)
        /* parse hexadecimal string */
        pm = strtoul(portmask, &end, 16);
        if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0') || (errno != 0))
-               return -1;
-
-       if (pm == 0)
-               return -1;
+               return 0;
 
        return pm;
 
@@ -1320,6 +1331,8 @@ print_stats(__rte_unused void *arg)
                }
 
                printf("===================================================\n");
+
+               fflush(stdout);
        }
 
        return NULL;