[dpdk-stable] [PATCH 1/4] net/virtio: fix memory leak in in-order Rx

[Tiwei Bie]

When there is no enough segments for a packet in in-order
mergeable Rx path, we should free the whole mbuf chain instead
of just the last segment.

Fixes: e5f456a98d3c ("net/virtio: support in-order Rx and Tx")
Cc: stable at dpdk.org

Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
---
 drivers/net/virtio/virtio_rxtx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 1f1178467..bdb3a2f18 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -1555,7 +1555,7 @@ virtio_recv_pkts_inorder(void *rx_queue,
 		} else {
 			PMD_RX_LOG(ERR,
 					"No enough segments for packet.");
-			virtio_discard_rxbuf_inorder(vq, prev);
+			rte_pktmbuf_free(rx_pkts[nb_rx]);
 			rxvq->stats.errors++;
 			break;
 		}
-- 
2.17.1