net/mlx4: USe one wrapper that returns -EPERM

When a VF issues a firmware command which is disallowed for them, the PF
rerturns -EPERM from that command wrapper. Move to use one such wrapper
instance, instead of repeating the same code on such commands.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/cmd.c

@@ -800,16 +800,7 @@ static int mlx4_MAD_IFC_wrapper(struct mlx4_dev *dev, int slave,
 				    vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
 }
 
-static int MLX4_CMD_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
-		     struct mlx4_vhcr *vhcr,
-		     struct mlx4_cmd_mailbox *inbox,
-		     struct mlx4_cmd_mailbox *outbox,
-		     struct mlx4_cmd_info *cmd)
-{
-	return -EPERM;
-}
-
-static int MLX4_CMD_GET_OP_REQ_wrapper(struct mlx4_dev *dev, int slave,
+static int mlx4_CMD_EPERM_wrapper(struct mlx4_dev *dev, int slave,
 		     struct mlx4_vhcr *vhcr,
 		     struct mlx4_cmd_mailbox *inbox,
 		     struct mlx4_cmd_mailbox *outbox,
@@ -1258,7 +1249,7 @@ static struct mlx4_cmd_info cmd_info[] = {
 		.out_is_imm = false,
 		.encode_slave_id = false,
 		.verify = NULL,
-		.wrapper = MLX4_CMD_UPDATE_QP_wrapper
+		.wrapper = mlx4_CMD_EPERM_wrapper
 	},
 	{
 		.opcode = MLX4_CMD_GET_OP_REQ,
@@ -1267,7 +1258,7 @@ static struct mlx4_cmd_info cmd_info[] = {
 		.out_is_imm = false,
 		.encode_slave_id = false,
 		.verify = NULL,
-		.wrapper = MLX4_CMD_GET_OP_REQ_wrapper,
+		.wrapper = mlx4_CMD_EPERM_wrapper,
 	},
 	{
 		.opcode = MLX4_CMD_CONF_SPECIAL_QP,
@@ -1378,7 +1369,7 @@ static struct mlx4_cmd_info cmd_info[] = {
 		.out_is_imm = false,
 		.encode_slave_id = false,
 		.verify = NULL,
-		.wrapper = mlx4_FLOW_STEERING_IB_UC_QP_RANGE_wrapper
+		.wrapper = mlx4_CMD_EPERM_wrapper
 	},
 };
 

drivers/net/ethernet/mellanox/mlx4/mlx4.h

@@ -1247,11 +1247,6 @@ int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave,
 					 struct mlx4_cmd_mailbox *inbox,
 					 struct mlx4_cmd_mailbox *outbox,
 					 struct mlx4_cmd_info *cmd);
-int mlx4_FLOW_STEERING_IB_UC_QP_RANGE_wrapper(struct mlx4_dev *dev, int slave,
-					      struct mlx4_vhcr *vhcr,
-					      struct mlx4_cmd_mailbox *inbox,
-					      struct mlx4_cmd_mailbox *outbox,
-					      struct mlx4_cmd_info *cmd);
 
 int mlx4_get_mgm_entry_size(struct mlx4_dev *dev);
 int mlx4_get_qp_per_mgm(struct mlx4_dev *dev);

drivers/net/ethernet/mellanox/mlx4/resource_tracker.c

@@ -4015,16 +4015,6 @@ int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave,
 	return err;
 }
 
-int mlx4_FLOW_STEERING_IB_UC_QP_RANGE_wrapper(struct mlx4_dev *dev, int slave,
-					      struct mlx4_vhcr *vhcr,
-					      struct mlx4_cmd_mailbox *inbox,
-					      struct mlx4_cmd_mailbox *outbox,
-					      struct mlx4_cmd_info *cmd)
-{
-	return -EPERM;
-}
-
-
 static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp)
 {
 	struct res_gid *rgid;