From: Long Li <longli@microsoft.com>
Date: Fri, 18 Sep 2020 18:53:47 +0000 (-0700)
Subject: net/netvsc: fix rndis packet addresses
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=d9fecbe97ba7c1ad0dedf33910d8b4e4e444979a;p=dpdk.git

net/netvsc: fix rndis packet addresses

The address should be calculated before type cast, not after.

Fixes: cc0251813277 ("net/netvsc: split send buffers from Tx descriptors")
Cc: stable@dpdk.org

Reported-by: Souvik Dey <sodey@rbbn.com>
Signed-off-by: Long Li <longli@microsoft.com>
---

diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
index 3e8d3b407d..65f1abae51 100644
--- a/drivers/net/netvsc/hn_rxtx.c
+++ b/drivers/net/netvsc/hn_rxtx.c
@@ -160,8 +160,8 @@ static void hn_txd_init(struct rte_mempool *mp __rte_unused,
 
 	txd->queue_id = txq->queue_id;
 	txd->chim_index = NVS_CHIM_IDX_INVALID;
-	txd->rndis_pkt = (struct rndis_packet_msg *)(char *)txq->tx_rndis
-		+ idx * HN_RNDIS_PKT_ALIGNED;
+	txd->rndis_pkt = (struct rndis_packet_msg *)((char *)txq->tx_rndis
+		+ idx * HN_RNDIS_PKT_ALIGNED);
 }
 
 int