diff mbox series

net/mlx5: fix tunnel flow destroy

Message ID 20201028045806.25616-1-getelson@nvidia.com (mailing list archive)
State Accepted, archived
Delegated to: Raslan Darawsheh
Headers
Series net/mlx5: fix tunnel flow destroy |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK
ci/iol-testing success Testing PASS
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS

Commit Message

Etelson, Gregory Oct. 28, 2020, 4:58 a.m. UTC 
Flow destructor tired to access flow related resources after the
flow object memory was already released and crashed dpdk process.

The patch moves flow memory release to the end of destructor.

Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 drivers/net/mlx5/mlx5_flow.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Raslan Darawsheh Nov. 2, 2020, 4:27 p.m. UTC | #1 
Hi,

> -----Original Message-----
> From: Gregory Etelson <getelson@nvidia.com>
> Sent: Wednesday, October 28, 2020 6:58 AM
> To: dev@dpdk.org
> Cc: Gregory Etelson <getelson@nvidia.com>; Matan Azrad
> <matan@nvidia.com>; Raslan Darawsheh <rasland@nvidia.com>; Eli Britstein
> <elibr@nvidia.com>; Oz Shlomo <ozsh@nvidia.com>; Shahaf Shuler
> <shahafs@nvidia.com>; Slava Ovsiienko <viacheslavo@nvidia.com>
> Subject: [PATCH] net/mlx5: fix tunnel flow destroy
> 
> Flow destructor tired to access flow related resources after the
> flow object memory was already released and crashed dpdk process.
> 
> The patch moves flow memory release to the end of destructor.
> 
Added missing:
Fixes: 424ea8d8fe55 ("net/mlx5: implement tunnel offload")
> Signed-off-by: Gregory Etelson <getelson@nvidia.com>
> Acked-by: Matan Azrad <matan@nvidia.com>
> ---
>  drivers/net/mlx5/mlx5_flow.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh
diff mbox series

Patch

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 949b9ced9b..3128da1b47 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -5935,7 +5935,6 @@  flow_list_destroy(struct rte_eth_dev *dev, uint32_t *list,
 			mlx5_free(priv_fdir_flow);
 		}
 	}
-	mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], flow_idx);
 	if (flow->tunnel) {
 		struct mlx5_flow_tunnel *tunnel;
 		tunnel = mlx5_find_tunnel_id(dev, flow->tunnel_id);
@@ -5943,6 +5942,7 @@  flow_list_destroy(struct rte_eth_dev *dev, uint32_t *list,
 		if (!__atomic_sub_fetch(&tunnel->refctn, 1, __ATOMIC_RELAXED))
 			mlx5_flow_tunnel_free(dev, tunnel);
 	}
+	mlx5_ipool_free(priv->sh->ipool[MLX5_IPOOL_RTE_FLOW], flow_idx);
 }
 
 /**