examples/ipsec-secgw: fix unchecked return value

[ upstream commit 23742f2 ]

Check the return value of the rte_eth_dev_rss_hash_conf_get function.

Coverity issue: 344970
Fixes: 3a690d5 ("examples/ipsec-secgw: fix first packet with inline crypto")

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

examples/ipsec-secgw/ipsec.c

@@ -200,8 +200,14 @@ create_session(struct ipsec_ctx *ipsec_ctx, struct ipsec_sa *sa)
 				/* Try RSS. */
 				sa->action[1].type = RTE_FLOW_ACTION_TYPE_RSS;
 				sa->action[1].conf = &action_rss;
-				rte_eth_dev_rss_hash_conf_get(sa->portid,
+				ret = rte_eth_dev_rss_hash_conf_get(sa->portid,
 							      &rss_conf);
+				if (ret != 0) {
+					RTE_LOG(ERR, IPSEC,
+						"rte_eth_dev_rss_hash_conf_get:ret=%d\n",
+						ret);
+					return -1;
+				}
 				for (i = 0, j = 0;
 				     i < dev_info.nb_rx_queues; ++i)
 					queue[j++] = i;