iavf: return errno code instead of status code

The iavf_parse_cls_flower function returns an integer error code, and
not an iavf_status enumeration.

Fix the function to use the standard errno value EINVAL as its return
instead of using IAVF_ERR_CONFIG.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

drivers/net/ethernet/intel/iavf/iavf_main.c

@@ -2910,7 +2910,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad ether dest mask %pM\n",
 					match.mask->dst);
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 
@@ -2920,7 +2920,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad ether src mask %pM\n",
 					match.mask->src);
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 
@@ -2955,7 +2955,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad vlan mask %u\n",
 					match.mask->vlan_id);
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 		vf->mask.tcp_spec.vlan_id |= cpu_to_be16(0xffff);
@@ -2979,7 +2979,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad ip dst mask 0x%08x\n",
 					be32_to_cpu(match.mask->dst));
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 
@@ -2989,13 +2989,13 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad ip src mask 0x%08x\n",
 					be32_to_cpu(match.mask->dst));
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 
 		if (field_flags & IAVF_CLOUD_FIELD_TEN_ID) {
 			dev_info(&adapter->pdev->dev, "Tenant id not allowed for ip filter\n");
-			return IAVF_ERR_CONFIG;
+			return -EINVAL;
 		}
 		if (match.key->dst) {
 			vf->mask.tcp_spec.dst_ip[0] |= cpu_to_be32(0xffffffff);
@@ -3016,7 +3016,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 		if (ipv6_addr_any(&match.mask->dst)) {
 			dev_err(&adapter->pdev->dev, "Bad ipv6 dst mask 0x%02x\n",
 				IPV6_ADDR_ANY);
-			return IAVF_ERR_CONFIG;
+			return -EINVAL;
 		}
 
 		/* src and dest IPv6 address should not be LOOPBACK
@@ -3026,7 +3026,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 		    ipv6_addr_loopback(&match.key->src)) {
 			dev_err(&adapter->pdev->dev,
 				"ipv6 addr should not be loopback\n");
-			return IAVF_ERR_CONFIG;
+			return -EINVAL;
 		}
 		if (!ipv6_addr_any(&match.mask->dst) ||
 		    !ipv6_addr_any(&match.mask->src))
@@ -3051,7 +3051,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad src port mask %u\n",
 					be16_to_cpu(match.mask->src));
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 
@@ -3061,7 +3061,7 @@ static int iavf_parse_cls_flower(struct iavf_adapter *adapter,
 			} else {
 				dev_err(&adapter->pdev->dev, "Bad dst port mask %u\n",
 					be16_to_cpu(match.mask->dst));
-				return IAVF_ERR_CONFIG;
+				return -EINVAL;
 			}
 		}
 		if (match.key->dst) {