> On Apr 23, 2019, at 10:43 AM, Herakliusz Lipiec <herakliusz.lip...@intel.com> 
> wrote:
> 
> When sending synchronous IPC requests, the caller must free the response 
> buffer even if the request returned failure. Fix the code to correctly 
> use the IPC API.
> 
> Bugzilla ID:228
> Fixes: 9a8ab29b84d3 ("net/mlx5: replace IPC socket with EAL API")
> Fixes: c18cf501a7af ("net/mlx5: enable secondary process to register DMA 
> memory")
> Cc: ys...@mellanox.com
> Signed-off-by: Herakliusz Lipiec <herakliusz.lip...@intel.com>
> ---
Acked-by: Yongseok Koh <ys...@mellanox.com>

> drivers/net/mlx5/mlx5_mp.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_mp.c b/drivers/net/mlx5/mlx5_mp.c
> index cea74adb6..c9915b1d5 100644
> --- a/drivers/net/mlx5/mlx5_mp.c
> +++ b/drivers/net/mlx5/mlx5_mp.c
> @@ -258,6 +258,7 @@ mlx5_mp_req_mr_create(struct rte_eth_dev *dev, uintptr_t 
> addr)
>       if (ret) {
>               DRV_LOG(ERR, "port %u request to primary process failed",
>                       dev->data->port_id);
> +             free(mp_rep.msgs);
>               return -rte_errno;
>       }
>       assert(mp_rep.nb_received == 1);
> @@ -295,7 +296,8 @@ mlx5_mp_req_verbs_cmd_fd(struct rte_eth_dev *dev)
>       if (ret) {
>               DRV_LOG(ERR, "port %u request to primary process failed",
>                       dev->data->port_id);
> -             return -rte_errno;
> +             ret = -rte_errno;
> +             goto exit;
>       }
>       assert(mp_rep.nb_received == 1);
>       mp_res = &mp_rep.msgs[0];
> -- 
> 2.17.2
> 

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