net: hns3: Add handle for default case

There are a few "switch-case" codes missed handle for default case. For
some abnormal case, it should return error code instead of return 0.

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index e404130..fc27f3f 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -2176,6 +2176,8 @@ static void hns3_rx_checksum(struct hns3_enet_ring *ring, struct sk_buff *skb,
                     l4_type == HNS3_L4_TYPE_SCTP))
                        skb->ip_summed = CHECKSUM_UNNECESSARY;
                break;
+       default:
+               break;
        }
 }
 

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
index ce2e6ea..46701cf 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
@@ -351,9 +351,10 @@ static int hns3_get_sset_count(struct net_device *netdev, int stringset)
 
        case ETH_SS_TEST:
                return ops->get_sset_count(h, stringset);
-       }
 
-       return 0;
+       default:
+               return -EOPNOTSUPP;
+       }
 }
 
 static void *hns3_update_strings(u8 *data, const struct hns3_stats *stats,
@@ -417,6 +418,8 @@ static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
        case ETH_SS_TEST:
                ops->get_strings(h, stringset, data);
                break;
+       default:
+               break;
        }
 }
 

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
index 86d3d8b..73d9d0d 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
@@ -2224,6 +2224,8 @@ static void hclge_clear_event_cause(struct hclge_dev *hdev, u32 event_type,
        case HCLGE_VECTOR0_EVENT_MBX:
                hclge_write_dev(&hdev->hw, HCLGE_VECTOR0_CMDQ_SRC_REG, regclr);
                break;
+       default:
+               break;
        }
 }
 
@@ -5218,6 +5220,10 @@ static int hclge_init_client_instance(struct hnae3_client *client,
 
                                hnae3_set_client_init_flag(client, ae_dev, 1);
                        }
+
+                       break;
+               default:
+                       return -EINVAL;
                }
        }
 

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
index d8c0cc8..0d3b445 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c
@@ -134,7 +134,7 @@ static int hclgevf_init_cmd_queue(struct hclgevf_dev *hdev,
 
                hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_HEAD_REG, 0);
                hclgevf_write_dev(hw, HCLGEVF_NIC_CSQ_TAIL_REG, 0);
-               break;
+               return 0;
        case HCLGEVF_TYPE_CRQ:
                reg_val = (u32)ring->desc_dma_addr;
                hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_BASEADDR_L_REG, reg_val);
@@ -147,10 +147,10 @@ static int hclgevf_init_cmd_queue(struct hclgevf_dev *hdev,
 
                hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_HEAD_REG, 0);
                hclgevf_write_dev(hw, HCLGEVF_NIC_CRQ_TAIL_REG, 0);
-               break;
+               return 0;
+       default:
+               return -EINVAL;
        }
-
-       return 0;
 }
 
 void hclgevf_cmd_setup_basic_desc(struct hclgevf_desc *desc,

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 84129c5..b644187 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -1667,6 +1667,9 @@ static int hclgevf_init_client_instance(struct hnae3_client *client,
                }
 
                hnae3_set_client_init_flag(client, ae_dev, 1);
+               break;
+       default:
+               return -EINVAL;
        }
 
        return 0;