mbuf: use offset macro

[dpdk.git] / lib / librte_ip_frag / rte_ipv4_reassembly.c

diff --git a/lib/librte_ip_frag/rte_ipv4_reassembly.c b/lib/librte_ip_frag/rte_ipv4_reassembly.c
index dc4d036..5d24843 100644 (file)
--- a/lib/librte_ip_frag/rte_ipv4_reassembly.c
+++ b/lib/librte_ip_frag/rte_ipv4_reassembly.c
@@ -85,8 +85,7 @@ ipv4_frag_reassemble(const struct ip_frag_pkt *fp)
        m->ol_flags |= PKT_TX_IP_CKSUM;
 
        /* update ipv4 header for the reassmebled packet */
-       ip_hdr = (struct ipv4_hdr*)(rte_pktmbuf_mtod(m, uint8_t *) +
-               m->l2_len);
+       ip_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *, m->l2_len);
 
        ip_hdr->total_length = rte_cpu_to_be_16((uint16_t)(fp->total_size +
                m->l3_len));