diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 795f45024c209..d0699f39ba346 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -1544,22 +1544,16 @@ void bnxt_tc_flow_stats_work(struct bnxt *bp)
 int bnxt_tc_setup_flower(struct bnxt *bp, u16 src_fid,
 			 struct tc_cls_flower_offload *cls_flower)
 {
-	int rc = 0;
-
 	switch (cls_flower->command) {
 	case TC_CLSFLOWER_REPLACE:
-		rc = bnxt_tc_add_flow(bp, src_fid, cls_flower);
-		break;
-
+		return bnxt_tc_add_flow(bp, src_fid, cls_flower);
 	case TC_CLSFLOWER_DESTROY:
-		rc = bnxt_tc_del_flow(bp, cls_flower);
-		break;
-
+		return bnxt_tc_del_flow(bp, cls_flower);
 	case TC_CLSFLOWER_STATS:
-		rc = bnxt_tc_get_flow_stats(bp, cls_flower);
-		break;
+		return bnxt_tc_get_flow_stats(bp, cls_flower);
+	default:
+		return -EOPNOTSUPP;
 	}
-	return rc;
 }
 
 static const struct rhashtable_params bnxt_tc_flow_ht_params = {
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 95e9dfbe98395..7ad2b1b0b1254 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -7522,7 +7522,7 @@ static int i40e_setup_tc_cls_flower(struct i40e_netdev_priv *np,
 	case TC_CLSFLOWER_STATS:
 		return -EOPNOTSUPP;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index a7b87f9354113..dc56a86674950 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2884,7 +2884,7 @@ static int i40evf_setup_tc_cls_flower(struct i40evf_adapter *adapter,
 	case TC_CLSFLOWER_STATS:
 		return -EOPNOTSUPP;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index f707709969acf..6a78d8272eb2c 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2698,7 +2698,7 @@ static int igb_setup_tc_cls_flower(struct igb_adapter *adapter,
 	case TC_CLSFLOWER_STATS:
 		return -EOPNOTSUPP;
 	default:
-		return -EINVAL;
+		return -EOPNOTSUPP;
 	}
 }
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c
index c42e64f32333f..c0e74aa4cb5e5 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/offload.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c
@@ -576,9 +576,9 @@ nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
 		return nfp_flower_del_offload(app, netdev, flower, egress);
 	case TC_CLSFLOWER_STATS:
 		return nfp_flower_get_stats(app, netdev, flower, egress);
+	default:
+		return -EOPNOTSUPP;
 	}
-
-	return -EOPNOTSUPP;
 }
 
 int nfp_flower_setup_tc_egress_cb(enum tc_setup_type type, void *type_data,