[dpdk-dev] port: fix unused value

[Fan Zhang]

This patch fixes an unused value in pcap source port by
removing the setting to the value.

Coverity issue: 362020
Fixes: d4b42133d85b ("port: add pcap file source")
Cc: roy.fan.zh...@intel.com
Cc: sta...@dpdk.org

Signed-off-by: Fan Zhang <roy.fan.zh...@intel.com>
---
 lib/librte_port/rte_port_source_sink.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_port/rte_port_source_sink.c 
b/lib/librte_port/rte_port_source_sink.c
index 74b7385a2..68575c983 100644
--- a/lib/librte_port/rte_port_source_sink.c
+++ b/lib/librte_port/rte_port_source_sink.c
@@ -116,7 +116,7 @@ pcap_source_load(struct rte_port_source *port,
        }
 
        for (i = 0; i < n_pkts; i++) {
-               pkt = pcap_next(pcap_handle, &pcap_hdr);
+               pcap_next(pcap_handle, &pcap_hdr);
                port->pkt_len[i] = RTE_MIN(max_len, pcap_hdr.len);
                pkt_len_aligns[i] = RTE_CACHE_LINE_ROUNDUP(
                        port->pkt_len[i]);
-- 
2.20.1