[dpdk-dev] [PATCH v2 3/4] net/virtio: fix memory leak in mergeable packed Rx

Tiwei Bie tiwei.bie at intel.com
Thu Jun 20 04:34:35 CEST 2019

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

Fixes: a76290c8f1cf ("net/virtio: implement Rx path for packed queues")
Cc: stable at dpdk.org

Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
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 9cf422ffe..8b75291f5 100644
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -1910,7 +1910,7 @@ virtio_recv_mergeable_pkts_packed(void *rx_queue,
 		} else {
 					"No enough segments for packet.");
-			virtio_discard_rxbuf(vq, prev);
+			rte_pktmbuf_free(rx_pkts[nb_rx]);

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