netdev - [PATCH v2 15/17] i40e: no need to check return value of debugfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20190809123108.27065-16-gregkh@linuxfoundation.org>
Date:   Fri,  9 Aug 2019 14:31:06 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     netdev@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        intel-wired-lan@...ts.osuosl.org
Subject: [PATCH v2 15/17] i40e: no need to check return value of debugfs_create functions

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: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: intel-wired-lan@...ts.osuosl.org
Cc: netdev@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 .../net/ethernet/intel/i40e/i40e_debugfs.c    | 22 ++++---------------
 1 file changed, 4 insertions(+), 18 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
index 55d20acfcf70..41232898d8ae 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c
@@ -1732,29 +1732,15 @@ static const struct file_operations i40e_dbg_netdev_ops_fops = {
  **/
 void i40e_dbg_pf_init(struct i40e_pf *pf)
 {
-	struct dentry *pfile;
 	const char *name = pci_name(pf->pdev);
-	const struct device *dev = &pf->pdev->dev;
 
 	pf->i40e_dbg_pf = debugfs_create_dir(name, i40e_dbg_root);
-	if (!pf->i40e_dbg_pf)
-		return;
-
-	pfile = debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
-				    &i40e_dbg_command_fops);
-	if (!pfile)
-		goto create_failed;
 
-	pfile = debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
-				    &i40e_dbg_netdev_ops_fops);
-	if (!pfile)
-		goto create_failed;
+	debugfs_create_file("command", 0600, pf->i40e_dbg_pf, pf,
+			    &i40e_dbg_command_fops);
 
-	return;
-
-create_failed:
-	dev_info(dev, "debugfs dir/file for %s failed\n", name);
-	debugfs_remove_recursive(pf->i40e_dbg_pf);
+	debugfs_create_file("netdev_ops", 0600, pf->i40e_dbg_pf, pf,
+			    &i40e_dbg_netdev_ops_fops);
 }
 
 /**
-- 
2.22.0