From c01583344fb7e63df204849214c1a8da0c033e03 Mon Sep 17 00:00:00 2001 From: Peng Li Date: Sat, 24 Jul 2021 15:43:33 +0800 Subject: [PATCH 045/283] net: hns3: refactor out hclge_cmd_convert_err_code() mainline inclusion from mainline-v5.12-rc1-dontuse commit 1c9a98b0ba1f16490ea0d492a1cd606f3a4b1bee category: feature bugzilla: https://gitee.com/src-openeuler/kernel/issues/I8EMQV CVE: NA Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1c9a98b0ba1f16490ea0d492a1cd606f3a4b1bee ---------------------------------------------------------------------- To improve code readability and maintainability, refactor hclge_cmd_convert_err_code() with an array of imp_errcode and common_errno mapping, instead of a bloated switch/case. Signed-off-by: Peng Li Signed-off-by: Huazhong Tan Signed-off-by: David S. Miller Reviewed-by: Yongxin Li Signed-off-by: Junxin Chen Signed-off-by: Zheng Zengkai Signed-off-by: Xiaodong Li --- .../hisilicon/hns3/hns3pf/hclge_cmd.c | 55 +++++++++---------- 1 file changed, 27 insertions(+), 28 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c index 1b986185d145..5f0c645eb292 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_cmd.c @@ -205,36 +205,35 @@ static bool hclge_is_special_opcode(u16 opcode) return false; } +struct errcode { + u32 imp_errcode; + int common_errno; +}; + static int hclge_cmd_convert_err_code(u16 desc_ret) { - switch (desc_ret) { - case HCLGE_CMD_EXEC_SUCCESS: - return 0; - case HCLGE_CMD_NO_AUTH: - return -EPERM; - case HCLGE_CMD_NOT_SUPPORTED: - return -EOPNOTSUPP; - case HCLGE_CMD_QUEUE_FULL: - return -EXFULL; - case HCLGE_CMD_NEXT_ERR: - return -ENOSR; - case HCLGE_CMD_UNEXE_ERR: - return -ENOTBLK; - case HCLGE_CMD_PARA_ERR: - return -EINVAL; - case HCLGE_CMD_RESULT_ERR: - return -ERANGE; - case HCLGE_CMD_TIMEOUT: - return -ETIME; - case HCLGE_CMD_HILINK_ERR: - return -ENOLINK; - case HCLGE_CMD_QUEUE_ILLEGAL: - return -ENXIO; - case HCLGE_CMD_INVALID: - return -EBADR; - default: - return -EIO; - } + struct errcode hclge_cmd_errcode[] = { + {HCLGE_CMD_EXEC_SUCCESS, 0}, + {HCLGE_CMD_NO_AUTH, -EPERM}, + {HCLGE_CMD_NOT_SUPPORTED, -EOPNOTSUPP}, + {HCLGE_CMD_QUEUE_FULL, -EXFULL}, + {HCLGE_CMD_NEXT_ERR, -ENOSR}, + {HCLGE_CMD_UNEXE_ERR, -ENOTBLK}, + {HCLGE_CMD_PARA_ERR, -EINVAL}, + {HCLGE_CMD_RESULT_ERR, -ERANGE}, + {HCLGE_CMD_TIMEOUT, -ETIME}, + {HCLGE_CMD_HILINK_ERR, -ENOLINK}, + {HCLGE_CMD_QUEUE_ILLEGAL, -ENXIO}, + {HCLGE_CMD_INVALID, -EBADR}, + }; + u32 errcode_count = ARRAY_SIZE(hclge_cmd_errcode); + u32 i; + + for (i = 0; i < errcode_count; i++) + if (hclge_cmd_errcode[i].imp_errcode == desc_ret) + return hclge_cmd_errcode[i].common_errno; + + return -EIO; } static int hclge_cmd_check_retval(struct hclge_hw *hw, struct hclge_desc *desc, -- 2.34.1