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From: Yongseok Koh <yskoh@mellanox.com>
To: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
CC: Shahaf Shuler <shahafs@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [PATCH v2 8/8] ipc: fix net/mlx5 memleak
Thread-Index: AQHU+fwXacgiajWwi0ikDduZOZnV+aZKLtQA
Date: Tue, 23 Apr 2019 20:16:15 +0000
Message-ID: <C4EE0FCA-7B90-48BC-BAA7-B5E4D3689C0E@mellanox.com>
References: <20190417143822.21276-1-herakliusz.lipiec@intel.com>
 <20190423174334.19612-1-herakliusz.lipiec@intel.com>
 <20190423174334.19612-9-herakliusz.lipiec@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v2 8/8] ipc: fix net/mlx5 memleak
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> On Apr 23, 2019, at 10:43 AM, Herakliusz Lipiec <herakliusz.lipiec@intel.=
com> wrote:
>=20
> When sending synchronous IPC requests, the caller must free the response=
=20
> buffer even if the request returned failure. Fix the code to correctly=20
> use the IPC API.
>=20
> 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: yskoh@mellanox.com
> Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
> ---
Acked-by: Yongseok Koh <yskoh@mellanox.com>

> drivers/net/mlx5/mlx5_mp.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>=20
> 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, uintpt=
r_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 =3D=3D 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 =3D -rte_errno;
> +		goto exit;
> 	}
> 	assert(mp_rep.nb_received =3D=3D 1);
> 	mp_res =3D &mp_rep.msgs[0];
> --=20
> 2.17.2
>=20

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From: Yongseok Koh <yskoh@mellanox.com>
To: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
CC: Shahaf Shuler <shahafs@mellanox.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [PATCH v2 8/8] ipc: fix net/mlx5 memleak
Thread-Index: AQHU+fwXacgiajWwi0ikDduZOZnV+aZKLtQA
Date: Tue, 23 Apr 2019 20:16:15 +0000
Message-ID: <C4EE0FCA-7B90-48BC-BAA7-B5E4D3689C0E@mellanox.com>
References: <20190417143822.21276-1-herakliusz.lipiec@intel.com>
 <20190423174334.19612-1-herakliusz.lipiec@intel.com>
 <20190423174334.19612-9-herakliusz.lipiec@intel.com>
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Subject: Re: [dpdk-dev] [PATCH v2 8/8] ipc: fix net/mlx5 memleak
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> On Apr 23, 2019, at 10:43 AM, Herakliusz Lipiec <herakliusz.lipiec@intel.=
com> wrote:
>=20
> When sending synchronous IPC requests, the caller must free the response=
=20
> buffer even if the request returned failure. Fix the code to correctly=20
> use the IPC API.
>=20
> 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: yskoh@mellanox.com
> Signed-off-by: Herakliusz Lipiec <herakliusz.lipiec@intel.com>
> ---
Acked-by: Yongseok Koh <yskoh@mellanox.com>

> drivers/net/mlx5/mlx5_mp.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>=20
> 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, uintpt=
r_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 =3D=3D 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 =3D -rte_errno;
> +		goto exit;
> 	}
> 	assert(mp_rep.nb_received =3D=3D 1);
> 	mp_res =3D &mp_rep.msgs[0];
> --=20
> 2.17.2
>=20