[dpdk-dev] [PATCH v2 5/6] net/vmxnet3: receive queue memory leak

Charles (Chas) Williams ciwillia at brocade.com
Thu Jun 15 14:17:41 CEST 2017


From: Mandeep Rohilla <mrohilla at brocade.com>

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

Fixes: dfaff37fc46d ("vmxnet3: import new vmxnet3 poll mode driver implementation")

Signed-off-by: Mandeep Rohilla <mrohilla at brocade.com>
---
 drivers/net/vmxnet3/vmxnet3_rxtx.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index d8713a1..13c73f6 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;
 		}
 
-- 
2.1.4



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