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hns3: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Salil Mehta <salil.mehta@huawei.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Greg Kroah-Hartman 2019-08-10 12:17:22 +02:00 • committed by David S. Miller
parent 9dac1e8eea
commit 11ab11e69d
1 changed files with 2 additions and 15 deletions
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17
drivers/net/ethernet/hisilicon/hns3/hns3_debugfs.c
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@ -376,20 +376,11 @@ static const struct file_operations hns3_dbg_cmd_fops = {
void hns3_dbg_init(struct hnae3_handle *handle)
{
const char *name = pci_name(handle->pdev);
struct dentry *pfile;
handle->hnae3_dbgfs = debugfs_create_dir(name, hns3_dbgfs_root);
if (!handle->hnae3_dbgfs)
return;
pfile = debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
&hns3_dbg_cmd_fops);
if (!pfile) {
debugfs_remove_recursive(handle->hnae3_dbgfs);
handle->hnae3_dbgfs = NULL;
dev_warn(&handle->pdev->dev, "create file for %s fail\n",
name);
}
debugfs_create_file("cmd", 0600, handle->hnae3_dbgfs, handle,
&hns3_dbg_cmd_fops);
}
void hns3_dbg_uninit(struct hnae3_handle *handle)
@ -401,10 +392,6 @@ void hns3_dbg_uninit(struct hnae3_handle *handle)
void hns3_dbg_register_debugfs(const char *debugfs_dir_name)
{
hns3_dbgfs_root = debugfs_create_dir(debugfs_dir_name, NULL);
if (!hns3_dbgfs_root) {
pr_warn("Register debugfs for %s fail\n", debugfs_dir_name);
return;
}
}
void hns3_dbg_unregister_debugfs(void)