[dpdk-dev] [PATCH] net/mlx5: fix 32b compilation

[Yongseok Koh]

> On Jun 11, 2019, at 10:32 PM, Shahaf Shuler <shahafs at mellanox.com> wrote:
> 
> 32b Compilation output the below error:
> 
> drivers/net/mlx5/mlx5_txq.c: In function 'mlx5_txq_ibv_new':
> error: format '%lx' expects argument of type 'long unsigned int', but
> argument 8 has type 'off_t' [-Werror=format=]
>  DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%lx",
>  ^

off_t would have same size as pointer.
Changing lx to PRIxPTR would work?

> Fixes: 6bf10ab69be0 ("net/mlx5: support 32-bit systems")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
> ---
> drivers/net/mlx5/mlx5_txq.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
> index ebb42cbffb..a421139e3c 100644
> --- a/drivers/net/mlx5/mlx5_txq.c
> +++ b/drivers/net/mlx5/mlx5_txq.c
> @@ -566,8 +566,8 @@ mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
> 	txq_uar_init(txq_ctrl);
> 	if (qp.comp_mask & MLX5DV_QP_MASK_UAR_MMAP_OFFSET) {
> 		txq_ctrl->uar_mmap_offset = qp.uar_mmap_offset;
> -		DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%lx",
> -			dev->data->port_id, txq_ctrl->uar_mmap_offset);
> +		DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%x",
> +			dev->data->port_id, (int)(txq_ctrl->uar_mmap_offset));
> 	} else {
> 		DRV_LOG(ERR,
> 			"port %u failed to retrieve UAR info, invalid"
> -- 
> 2.12.0
>