From: Yufeng Mo moyufeng@huawei.com
mainline inclusion from mainline-v5.14-rc1 commit b4689aaf18633ff1b9ce37b09e226a7964ce9751 category: feature bugzilla: NA CVE: NA DTS: DTS2021090315802
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Currently, all debugfs commands have been reconstructed, and the debugfs file node cmd is useless. So remove this debugfs file node.
Signed-off-by: Yufeng Mo moyufeng@huawei.com Signed-off-by: Huazhong Tan tanhuazhong@huawei.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Yonglong Liu liuyonglong@huawei.com --- drivers/net/ethernet/hisilicon/hns3/hnae3.h | 1 - .../ethernet/hisilicon/hns3/hns3_debugfs.c | 98 ------------------- .../hisilicon/hns3/hns3pf/hclge_debugfs.c | 9 -- .../hisilicon/hns3/hns3pf/hclge_main.c | 1 - .../hisilicon/hns3/hns3pf/hclge_main.h | 1 - 5 files changed, 110 deletions(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h index 57de0bdb52e4..4fc9cdfe67da 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h +++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h @@ -593,7 +593,6 @@ struct hnae3_ae_ops { void (*enable_fd)(struct hnae3_handle *handle, bool enable); int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id, u16 flow_id, struct flow_keys *fkeys); - int (*dbg_run_cmd)(struct hnae3_handle *handle, const char *cmd_buf); int (*dbg_read_cmd)(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd, char *buf, int len); pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 79f565639205..27719f3fab02 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -727,94 +727,6 @@ static int hns3_dbg_tx_bd_info(struct hns3_dbg_data *d, char *buf, int len) return 0; }
-static void hns3_dbg_help(struct hnae3_handle *h) -{ - dev_info(&h->pdev->dev, "available commands\n"); -} - -static ssize_t hns3_dbg_cmd_read(struct file *filp, char __user *buffer, - size_t count, loff_t *ppos) -{ - int uncopy_bytes; - char *buf; - int len; - - if (*ppos != 0) - return 0; - - if (count < HNS3_DBG_READ_LEN) - return -ENOSPC; - - buf = kzalloc(HNS3_DBG_READ_LEN, GFP_KERNEL); - if (!buf) - return -ENOMEM; - - len = scnprintf(buf, HNS3_DBG_READ_LEN, "%s\n", - "Please echo help to cmd to get help information"); - uncopy_bytes = copy_to_user(buffer, buf, len); - - kfree(buf); - - if (uncopy_bytes) - return -EFAULT; - - return (*ppos = len); -} - -static ssize_t hns3_dbg_cmd_write(struct file *filp, const char __user *buffer, - size_t count, loff_t *ppos) -{ - struct hnae3_handle *handle = filp->private_data; - struct hns3_nic_priv *priv = handle->priv; - char *cmd_buf, *cmd_buf_tmp; - int uncopied_bytes; - int ret = 0; - - if (*ppos != 0) - return 0; - - /* Judge if the instance is being reset. */ - if (!test_bit(HNS3_NIC_STATE_INITED, &priv->state) || - test_bit(HNS3_NIC_STATE_RESETTING, &priv->state)) - return 0; - - if (count > HNS3_DBG_WRITE_LEN) - return -ENOSPC; - - cmd_buf = kzalloc(count + 1, GFP_KERNEL); - if (!cmd_buf) - return count; - - uncopied_bytes = copy_from_user(cmd_buf, buffer, count); - if (uncopied_bytes) { - kfree(cmd_buf); - return -EFAULT; - } - - cmd_buf[count] = '\0'; - - cmd_buf_tmp = strchr(cmd_buf, '\n'); - if (cmd_buf_tmp) { - *cmd_buf_tmp = '\0'; - count = cmd_buf_tmp - cmd_buf + 1; - } - - if (strncmp(cmd_buf, "help", 4) == 0) - hns3_dbg_help(handle); - else if (handle->ae_algo->ops->dbg_run_cmd) - ret = handle->ae_algo->ops->dbg_run_cmd(handle, cmd_buf); - else - ret = -EOPNOTSUPP; - - if (ret) - hns3_dbg_help(handle); - - kfree(cmd_buf); - cmd_buf = NULL; - - return count; -} - static int hns3_dbg_get_cmd_index(struct hns3_dbg_data *dbg_data, u32 *index) { u32 i; @@ -937,13 +849,6 @@ static ssize_t hns3_dbg_read(struct file *filp, char __user *buffer, return ret; }
-static const struct file_operations hns3_dbg_cmd_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = hns3_dbg_cmd_read, - .write = hns3_dbg_cmd_write, -}; - static const struct file_operations hns3_dbg_fops = { .owner = THIS_MODULE, .open = simple_open, @@ -1006,9 +911,6 @@ int hns3_dbg_init(struct hnae3_handle *handle) debugfs_create_dir(name, hns3_dbgfs_root); handle->hnae3_dbgfs = hns3_dbg_dentry[HNS3_DBG_DENTRY_COMMON].dentry;
- debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle, - &hns3_dbg_cmd_fops); - for (i = 0; i < HNS3_DBG_DENTRY_COMMON; i++) hns3_dbg_dentry[i].dentry = debugfs_create_dir(hns3_dbg_dentry[i].name, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c index 7caf17e54f3e..be554063971f 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c @@ -2250,15 +2250,6 @@ static int hclge_dbg_dump_umv_info(struct hclge_dev *hdev, char *buf, int len) return 0; }
-int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf) -{ - struct hclge_vport *vport = hclge_get_vport(handle); - struct hclge_dev *hdev = vport->back; - - dev_info(&hdev->pdev->dev, "unknown command\n"); - return -EINVAL; -} - static const struct hclge_dbg_func hclge_dbg_cmd_func[] = { { .cmd = HNAE3_DBG_CMD_TM_PRI, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 50457b2068a1..d01194e4b6b4 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -11639,7 +11639,6 @@ struct hnae3_ae_ops hclge_ops = { .restore_fd_rules = hclge_restore_fd_entries, .enable_fd = hclge_enable_fd, .add_arfs_entry = hclge_add_fd_entry_by_arfs, - .dbg_run_cmd = hclge_dbg_run_cmd, .dbg_read_cmd = hclge_dbg_read_cmd, .handle_hw_ras_error = hclge_handle_hw_ras_error, .get_hw_reset_stat = hclge_get_hw_reset_stat, diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h index bc080f609b56..99fa4a2f32b7 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h @@ -1045,7 +1045,6 @@ int hclge_func_reset_cmd(struct hclge_dev *hdev, int func_id); int hclge_vport_start(struct hclge_vport *vport); void hclge_vport_stop(struct hclge_vport *vport); int hclge_set_vport_mtu(struct hclge_vport *vport, int new_mtu); -int hclge_dbg_run_cmd(struct hnae3_handle *handle, const char *cmd_buf); int hclge_dbg_read_cmd(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd, char *buf, int len); u16 hclge_covert_handle_qid_global(struct hnae3_handle *handle, u16 queue_id);