From: Mandeep Rohilla <mrohilla@brocade.com>
Date: Thu, 15 Jun 2017 12:17:41 +0000 (-0400)
Subject: net/vmxnet3: fix receive queue memory leak
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=0bf3a2c07e8f18b7ab3cdf42a4c932af8f7280fc;p=dpdk.git

net/vmxnet3: fix receive queue memory leak

This addresses an mbuf leak in an error condition during packet
receive.

Fixes: dfaff37fc46d ("vmxnet3: import new vmxnet3 poll mode driver implementation")
Cc: stable@dpdk.org

Signed-off-by: Mandeep Rohilla <mrohilla@brocade.com>
Acked-by: Shrikrishna Khare <skhare@vmware.com>
---

diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index d8713a1e5f..13c73f66ee 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -800,6 +800,12 @@ vmxnet3_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
 				   (int)(rcd - (struct Vmxnet3_RxCompDesc *)
 					 rxq->comp_ring.base), rcd->rxdIdx);
 			rte_pktmbuf_free_seg(rxm);
+			if (rxq->start_seg) {
+				struct rte_mbuf *start = rxq->start_seg;
+
+				rxq->start_seg = NULL;
+				rte_pktmbuf_free(start);
+			}
 			goto rcd_done;
 		}