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* [PATCH net-next] net/mlx5: Fix passing zero to 'PTR_ERR'
@ 2020-11-12 14:28 YueHaibing
  2020-11-12 23:58 ` Saeed Mahameed
  0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2020-11-12 14:28 UTC (permalink / raw)
  To: saeedm, leon, davem, kuba, vuhuong, yuehaibing
  Cc: netdev, linux-rdma, linux-kernel

Fix smatch warnings:

drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c:105 esw_acl_egress_lgcy_setup() warn: passing zero to 'PTR_ERR'
drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c:177 esw_acl_egress_ofld_setup() warn: passing zero to 'PTR_ERR'
drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c:184 esw_acl_ingress_lgcy_setup() warn: passing zero to 'PTR_ERR'
drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c:262 esw_acl_ingress_ofld_setup() warn: passing zero to 'PTR_ERR'

esw_acl_table_create() never returns NULL, so
NULL test should be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c  | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c  | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c | 2 +-
 drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c
index d46f8b225ebe..2b85d4777303 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c
@@ -101,7 +101,7 @@ int esw_acl_egress_lgcy_setup(struct mlx5_eswitch *esw,
 	vport->egress.acl = esw_acl_table_create(esw, vport->vport,
 						 MLX5_FLOW_NAMESPACE_ESW_EGRESS,
 						 table_size);
-	if (IS_ERR_OR_NULL(vport->egress.acl)) {
+	if (IS_ERR(vport->egress.acl)) {
 		err = PTR_ERR(vport->egress.acl);
 		vport->egress.acl = NULL;
 		goto out;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c
index c3faae67e4d6..4c74e2690d57 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c
@@ -173,7 +173,7 @@ int esw_acl_egress_ofld_setup(struct mlx5_eswitch *esw, struct mlx5_vport *vport
 		table_size++;
 	vport->egress.acl = esw_acl_table_create(esw, vport->vport,
 						 MLX5_FLOW_NAMESPACE_ESW_EGRESS, table_size);
-	if (IS_ERR_OR_NULL(vport->egress.acl)) {
+	if (IS_ERR(vport->egress.acl)) {
 		err = PTR_ERR(vport->egress.acl);
 		vport->egress.acl = NULL;
 		return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
index b68976b378b8..d64fad2823e7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c
@@ -180,7 +180,7 @@ int esw_acl_ingress_lgcy_setup(struct mlx5_eswitch *esw,
 		vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
 							  MLX5_FLOW_NAMESPACE_ESW_INGRESS,
 							  table_size);
-		if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+		if (IS_ERR(vport->ingress.acl)) {
 			err = PTR_ERR(vport->ingress.acl);
 			vport->ingress.acl = NULL;
 			return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c
index 4e55d7225a26..548c005ea633 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c
@@ -258,7 +258,7 @@ int esw_acl_ingress_ofld_setup(struct mlx5_eswitch *esw,
 	vport->ingress.acl = esw_acl_table_create(esw, vport->vport,
 						  MLX5_FLOW_NAMESPACE_ESW_INGRESS,
 						  num_ftes);
-	if (IS_ERR_OR_NULL(vport->ingress.acl)) {
+	if (IS_ERR(vport->ingress.acl)) {
 		err = PTR_ERR(vport->ingress.acl);
 		vport->ingress.acl = NULL;
 		return err;
-- 
2.17.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net-next] net/mlx5: Fix passing zero to 'PTR_ERR'
  2020-11-12 14:28 [PATCH net-next] net/mlx5: Fix passing zero to 'PTR_ERR' YueHaibing
@ 2020-11-12 23:58 ` Saeed Mahameed
  0 siblings, 0 replies; 2+ messages in thread
From: Saeed Mahameed @ 2020-11-12 23:58 UTC (permalink / raw)
  To: YueHaibing, leon, davem, kuba, vuhuong; +Cc: netdev, linux-rdma, linux-kernel

On Thu, 2020-11-12 at 22:28 +0800, YueHaibing wrote:
> Fix smatch warnings:
> 
> drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_lgcy.c:105
> esw_acl_egress_lgcy_setup() warn: passing zero to 'PTR_ERR'
> drivers/net/ethernet/mellanox/mlx5/core/esw/acl/egress_ofld.c:177
> esw_acl_egress_ofld_setup() warn: passing zero to 'PTR_ERR'
> drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_lgcy.c:184
> esw_acl_ingress_lgcy_setup() warn: passing zero to 'PTR_ERR'
> drivers/net/ethernet/mellanox/mlx5/core/esw/acl/ingress_ofld.c:262
> esw_acl_ingress_ofld_setup() warn: passing zero to 'PTR_ERR'
> 
> esw_acl_table_create() never returns NULL, so
> NULL test should be removed.
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> 

Applied to net-next-mlx5 

thanks 


^ permalink raw reply	[flat|nested] 2+ messages in thread

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