diff options
author | Yufeng Mo <moyufeng@huawei.com> | 2021-05-20 05:21:44 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-05-21 01:01:04 +0300 |
commit | b4689aaf18633ff1b9ce37b09e226a7964ce9751 (patch) | |
tree | d4e0340da776c1dcfd9c94388aa311346676de57 /drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | |
parent | 058c3be95235a12953d6533ef1486dc3d5879688 (diff) | |
download | linux-b4689aaf18633ff1b9ce37b09e226a7964ce9751.tar.xz |
net: hns3: remove the useless debugfs file node cmd
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>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c index 04102d73e89c..57ba5a16ad73 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c @@ -773,11 +773,6 @@ 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 void hns3_dbg_dev_caps(struct hnae3_handle *h, char *buf, int len, int *pos) { @@ -852,97 +847,6 @@ static int hns3_dbg_dev_info(struct hnae3_handle *h, char *buf, int len) return 0; } -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 int hns3_dbg_check_cmd(struct hnae3_handle *handle, char *cmd_buf) -{ - int ret = 0; - - 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; - - return ret; -} - -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; - - 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; - } - - ret = hns3_dbg_check_cmd(handle, cmd_buf); - if (ret) - hns3_dbg_help(handle); - - kfree(cmd_buf); - cmd_buf = NULL; - - return count; -} - static int hns3_dbg_get_cmd_index(struct hnae3_handle *handle, const unsigned char *name, u32 *index) { @@ -1071,13 +975,6 @@ out: 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, @@ -1140,9 +1037,6 @@ 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, |