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* [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()'
@ 2021-11-06 17:08 Christophe JAILLET
  2021-11-07  7:49 ` Roi Dayan
  2021-11-16 20:44 ` Saeed Mahameed
  0 siblings, 2 replies; 3+ messages in thread
From: Christophe JAILLET @ 2021-11-06 17:08 UTC (permalink / raw)
  To: saeedm, leon, davem, kuba, roid, vladbu, paulb, lariel
  Cc: netdev, linux-rdma, linux-kernel, kernel-janitors, Christophe JAILLET

All the error handling paths of 'mlx5e_tc_add_fdb_flow()' end to 'err_out'
where 'flow_flag_set(flow, FAILED);' is called.

All but the new error handling paths added by the commits given in the
Fixes tag below.

Fix these error handling paths and branch to 'err_out'.

Fixes: 166f431ec6be ("net/mlx5e: Add indirect tc offload of ovs internal port")
Fixes: b16eb3c81fe2 ("net/mlx5: Support internal port as decap route device")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
This patch is speculative, review with care.
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 835caa1c7b74..ff881307c744 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -1445,7 +1445,7 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
 							MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG,
 							metadata);
 			if (err)
-				return err;
+				goto err_out;
 		}
 	}
 
@@ -1461,13 +1461,15 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
 		if (attr->chain) {
 			NL_SET_ERR_MSG_MOD(extack,
 					   "Internal port rule is only supported on chain 0");
-			return -EOPNOTSUPP;
+			err = -EOPNOTSUPP;
+			goto err_out;
 		}
 
 		if (attr->dest_chain) {
 			NL_SET_ERR_MSG_MOD(extack,
 					   "Internal port rule offload doesn't support goto action");
-			return -EOPNOTSUPP;
+			err = -EOPNOTSUPP;
+			goto err_out;
 		}
 
 		int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv),
@@ -1475,8 +1477,10 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
 						 flow_flag_test(flow, EGRESS) ?
 						 MLX5E_TC_INT_PORT_EGRESS :
 						 MLX5E_TC_INT_PORT_INGRESS);
-		if (IS_ERR(int_port))
-			return PTR_ERR(int_port);
+		if (IS_ERR(int_port)) {
+			err = PTR_ERR(int_port);
+			goto err_out;
+		}
 
 		esw_attr->int_port = int_port;
 	}
-- 
2.30.2


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()'
  2021-11-06 17:08 [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()' Christophe JAILLET
@ 2021-11-07  7:49 ` Roi Dayan
  2021-11-16 20:44 ` Saeed Mahameed
  1 sibling, 0 replies; 3+ messages in thread
From: Roi Dayan @ 2021-11-07  7:49 UTC (permalink / raw)
  To: Christophe JAILLET, saeedm, leon, davem, kuba, vladbu, paulb, lariel
  Cc: netdev, linux-rdma, linux-kernel, kernel-janitors



On 2021-11-06 7:08 PM, Christophe JAILLET wrote:
> All the error handling paths of 'mlx5e_tc_add_fdb_flow()' end to 'err_out'
> where 'flow_flag_set(flow, FAILED);' is called.
> 
> All but the new error handling paths added by the commits given in the
> Fixes tag below.
> 
> Fix these error handling paths and branch to 'err_out'.
> 
> Fixes: 166f431ec6be ("net/mlx5e: Add indirect tc offload of ovs internal port")
> Fixes: b16eb3c81fe2 ("net/mlx5: Support internal port as decap route device")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> This patch is speculative, review with care.
> ---
>   drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 14 +++++++++-----
>   1 file changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> index 835caa1c7b74..ff881307c744 100644
> --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
> @@ -1445,7 +1445,7 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
>   							MLX5_FLOW_NAMESPACE_FDB, VPORT_TO_REG,
>   							metadata);
>   			if (err)
> -				return err;
> +				goto err_out;
>   		}
>   	}
>   
> @@ -1461,13 +1461,15 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
>   		if (attr->chain) {
>   			NL_SET_ERR_MSG_MOD(extack,
>   					   "Internal port rule is only supported on chain 0");
> -			return -EOPNOTSUPP;
> +			err = -EOPNOTSUPP;
> +			goto err_out;
>   		}
>   
>   		if (attr->dest_chain) {
>   			NL_SET_ERR_MSG_MOD(extack,
>   					   "Internal port rule offload doesn't support goto action");
> -			return -EOPNOTSUPP;
> +			err = -EOPNOTSUPP;
> +			goto err_out;
>   		}
>   
>   		int_port = mlx5e_tc_int_port_get(mlx5e_get_int_port_priv(priv),
> @@ -1475,8 +1477,10 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv,
>   						 flow_flag_test(flow, EGRESS) ?
>   						 MLX5E_TC_INT_PORT_EGRESS :
>   						 MLX5E_TC_INT_PORT_INGRESS);
> -		if (IS_ERR(int_port))
> -			return PTR_ERR(int_port);
> +		if (IS_ERR(int_port)) {
> +			err = PTR_ERR(int_port);
> +			goto err_out;
> +		}
>   
>   		esw_attr->int_port = int_port;
>   	}
> 


thanks for catching this.

Reviewed-by: Roi Dayan <roid@nvidia.com>


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()'
  2021-11-06 17:08 [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()' Christophe JAILLET
  2021-11-07  7:49 ` Roi Dayan
@ 2021-11-16 20:44 ` Saeed Mahameed
  1 sibling, 0 replies; 3+ messages in thread
From: Saeed Mahameed @ 2021-11-16 20:44 UTC (permalink / raw)
  To: christophe.jaillet, davem, Roi Dayan, Ariel Levkovich,
	Paul Blakey, Vlad Buslov, kuba, leon
  Cc: kernel-janitors, netdev, linux-rdma, linux-kernel

On Sat, 2021-11-06 at 18:08 +0100, Christophe JAILLET wrote:
> All the error handling paths of 'mlx5e_tc_add_fdb_flow()' end to
> 'err_out'
> where 'flow_flag_set(flow, FAILED);' is called.
> 
> All but the new error handling paths added by the commits given in
> the
> Fixes tag below.
> 
> Fix these error handling paths and branch to 'err_out'.
> 
> Fixes: 166f431ec6be ("net/mlx5e: Add indirect tc offload of ovs
> internal port")
> Fixes: b16eb3c81fe2 ("net/mlx5: Support internal port as decap route
> device")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> This patch is speculative, review with care.
> ---

Applied to net-mlx5, Thanks ! 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-11-16 20:45 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2021-11-06 17:08 [PATCH] net/mlx5: Fix some error handling paths in 'mlx5e_tc_add_fdb_flow()' Christophe JAILLET
2021-11-07  7:49 ` Roi Dayan
2021-11-16 20:44 ` Saeed Mahameed

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