examples/ipsec-secgw: fix IP version check

[dpdk.git] / examples / ipsec-secgw / esp.c

diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c
index 70bb81f..56ad7a0 100644 (file)
--- a/examples/ipsec-secgw/esp.c
+++ b/examples/ipsec-secgw/esp.c
@@ -306,8 +306,8 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
                                sizeof(struct esp_hdr) + sa->iv_len);
                memmove(new_ip, ip4, ip_hdr_len);
                esp = (struct esp_hdr *)(new_ip + ip_hdr_len);
+               ip4 = (struct ip *)new_ip;
                if (likely(ip4->ip_v == IPVERSION)) {
-                       ip4 = (struct ip *)new_ip;
                        ip4->ip_p = IPPROTO_ESP;
                        ip4->ip_len = htons(rte_pktmbuf_data_len(m));
                } else {