From: Igor Romanov <igor.roma...@oktetlabs.ru>

The return value of rte_eth_link_get() and rte_eth_link_get_nowait()
was changed from void to int. Update the usage of the functions
according to the new return type.

Signed-off-by: Igor Romanov <igor.roma...@oktetlabs.ru>
Signed-off-by: Andrew Rybchenko <arybche...@solarflare.com>
---
 examples/link_status_interrupt/main.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/examples/link_status_interrupt/main.c 
b/examples/link_status_interrupt/main.c
index d42fef12b..a0b75d9f6 100644
--- a/examples/link_status_interrupt/main.c
+++ b/examples/link_status_interrupt/main.c
@@ -117,6 +117,7 @@ print_stats(void)
 
        const char clr[] = { 27, '[', '2', 'J', '\0' };
        const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
+       int link_get_err;
 
                /* Clear screen and move to top left */
        printf("%s%s", clr, topLeft);
@@ -129,7 +130,7 @@ print_stats(void)
                        continue;
 
                memset(&link, 0, sizeof(link));
-               rte_eth_link_get_nowait(portid, &link);
+               link_get_err = rte_eth_link_get_nowait(portid, &link);
                printf("\nStatistics for port %u ------------------------------"
                           "\nLink status: %25s"
                           "\nLink speed: %26u"
@@ -138,8 +139,11 @@ print_stats(void)
                           "\nPackets received: %20"PRIu64
                           "\nPackets dropped: %21"PRIu64,
                           portid,
+                          link_get_err < 0 ? "Link get failed" :
                           (link.link_status ? "Link up" : "Link down"),
-                          (unsigned)link.link_speed,
+                          link_get_err < 0 ? 0 :
+                                       (unsigned int)link.link_speed,
+                          link_get_err < 0 ? "Link get failed" :
                           (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
                                        "full-duplex" : "half-duplex"),
                           port_statistics[portid].tx,
@@ -438,13 +442,19 @@ lsi_event_callback(uint16_t port_id, enum 
rte_eth_event_type type, void *param,
                    void *ret_param)
 {
        struct rte_eth_link link;
+       int ret;
 
        RTE_SET_USED(param);
        RTE_SET_USED(ret_param);
 
        printf("\n\nIn registered callback...\n");
        printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC 
interrupt" : "unknown event");
-       rte_eth_link_get_nowait(port_id, &link);
+       ret = rte_eth_link_get_nowait(port_id, &link);
+       if (ret < 0) {
+               printf("Failed link get on port %d: %s\n",
+                      port_id, rte_strerror(-ret));
+               return ret;
+       }
        if (link.link_status) {
                printf("Port %d Link Up - speed %u Mbps - %s\n\n",
                                port_id, (unsigned)link.link_speed,
-- 
2.17.1

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