kni: check code of promiscuous mode switch

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

diff --git a/examples/kni/main.c b/examples/kni/main.c
index e43f174..1069fd0 100644 (file)
--- a/examples/kni/main.c
+++ b/examples/kni/main.c
@@ -636,8 +636,13 @@ init_port(uint16_t port)
                rte_exit(EXIT_FAILURE, "Could not start port%u (%d)\n",
                                                (unsigned)port, ret);
 
-       if (promiscuous_on)
-               rte_eth_promiscuous_enable(port);
+       if (promiscuous_on) {
+               ret = rte_eth_promiscuous_enable(port);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE,
+                               "Could not enable promiscuous mode for port%u: %s\n",
+                               port, rte_strerror(-ret));
+       }
 }
 
 /* Check the link status of all ports in up to 9s, and print them finally */