app/eventdev: check function errors

Fix unchecked return values reported by coverity.

Coverity Issue: 336861
Coverity Issue: 349906
Fixes: 032a965a8f1d ("app/eventdev: support Tx adapter")
Cc: stable@dpdk.org
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/app/test-eventdev/test_pipeline_common.c b/app/test-eventdev/test_pipeline_common.c
index 160461f..fa91bf2 100644 (file)
--- a/app/test-eventdev/test_pipeline_common.c
+++ b/app/test-eventdev/test_pipeline_common.c
@@ -196,7 +196,12 @@ pipeline_ethdev_setup(struct evt_test *test, struct evt_options *opt)
                struct rte_eth_conf local_port_conf = port_conf;
                uint32_t caps = 0;
 
-               rte_event_eth_tx_adapter_caps_get(opt->dev_id, i, &caps);
+               ret = rte_event_eth_tx_adapter_caps_get(opt->dev_id, i, &caps);
+               if (ret != 0) {
+                       evt_err("failed to get event tx adapter[%d] caps", i);
+                       return ret;
+               }
+
                if (!(caps & RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT))
                        t->internal_port = 0;
 
@@ -424,7 +429,7 @@ int
 pipeline_mempool_setup(struct evt_test *test, struct evt_options *opt)
 {
        struct test_pipeline *t = evt_test_priv(test);
-       int i;
+       int i, ret;
 
        if (!opt->mbuf_sz)
                opt->mbuf_sz = RTE_MBUF_DEFAULT_BUF_SIZE;
@@ -437,7 +442,13 @@ pipeline_mempool_setup(struct evt_test *test, struct evt_options *opt)
                uint16_t data_size = 0;
 
                memset(&dev_info, 0, sizeof(dev_info));
-               rte_eth_dev_info_get(i, &dev_info);
+               ret = rte_eth_dev_info_get(i, &dev_info);
+               if (ret != 0) {
+                       evt_err("Error during getting device (port %u) info: %s\n",
+                               i, strerror(-ret));
+                       return ret;
+               }
+
                if (dev_info.rx_desc_lim.nb_mtu_seg_max != UINT16_MAX &&
                                dev_info.rx_desc_lim.nb_mtu_seg_max != 0) {
                        data_size = opt->max_pkt_sz /