On 18/09/2020 19:53, Long Li wrote:
> From: Long Li <[email protected]>
>
> The address should be calculated before type cast, not after.
>
This is being requested for 18.11.10 as it is fixing a reported
regression introduced in 18.11.9.
If netvsc maintainers agree and it is merged in DPDK mainline this week,
I can take it into 18.11.10, otherwise it will be for 18.11.11.
Souvik, maybe you can give tested-by tags?
> Fixes: cc02518 ("net/netvsc: split send buffers from Tx descriptors")
> Cc: [email protected]
>
> Reported-by: Souvik Dey <[email protected]>
> Signed-off-by: Long Li <[email protected]>
> ---
> drivers/net/netvsc/hn_rxtx.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/netvsc/hn_rxtx.c b/drivers/net/netvsc/hn_rxtx.c
> index 813f8c3cc..70f8b8332 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
>
