[dpdk-dev] [PATCH] pcap: fix memory leak in jumbo frames

[Dror Birkman]

If rte_pktmbuf_alloc() fails on any segment that is not the initial
segment, previously allocated mbufs are not freed.

Signed-off-by: Dror Birkman <dror.birkman at lightcyber.com>
---
 drivers/net/pcap/rte_eth_pcap.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/pcap/rte_eth_pcap.c b/drivers/net/pcap/rte_eth_pcap.c
index b7a3b03..db19a66 100644
--- a/drivers/net/pcap/rte_eth_pcap.c
+++ b/drivers/net/pcap/rte_eth_pcap.c
@@ -229,8 +229,10 @@ eth_pcap_rx(void *queue,
                        if (unlikely(eth_pcap_rx_jumbo(pcap_q->mb_pool,
                                                       mbuf,
                                                       packet,
-                                                      header.caplen) == -1))
+                                                      header.caplen) == -1)) {
+                               rte_pktmbuf_free(mbuf);
                                break;
+                       }
                }

                mbuf->pkt_len = (uint16_t)header.caplen;
-- 
2.3.0