[dpdk-dev] [PATCH v2 1/2] netvsc: fix rte malloc pool corruption

[Stephen Hemminger]

The event buffer was changed to be a fixed size value, but
calls to rte_free were left. That causes bugs because
it calls to rte_free() for a pointer that was not setup with
rte_malloc().

Fixes: 530af95a7849 ("bus/vmbus: avoid signalling host on read")
Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com>
---
 drivers/net/netvsc/hn_rxtx.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
index 02ef27e363cc..3e52a328b152 100644
--- a/drivers/net/netvsc/hn_rxtx.c
+++ b/drivers/net/netvsc/hn_rxtx.c
@@ -776,7 +776,6 @@ hn_dev_rx_queue_setup(struct rte_eth_dev *dev,
 
 fail:
 	rte_ring_free(rxq->rx_ring);
-	rte_free(rxq->event_buf);
 	rte_free(rxq);
 	return -ENOMEM;
 }
@@ -795,10 +794,8 @@ hn_dev_rx_queue_release(void *arg)
 	rxq->rx_ring = NULL;
 	rxq->mb_pool = NULL;
 
-	if (rxq != rxq->hv->primary) {
-		rte_free(rxq->event_buf);
+	if (rxq != rxq->hv->primary)
 		rte_free(rxq);
-	}
 }
 
 void
-- 
2.18.0