ixgbe: no need to check return value of debugfs_create functions
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 10 Aug 2019 10:17:31 +0000 (12:17 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 10 Aug 2019 22:25:48 +0000 (15:25 -0700)
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@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: intel-wired-lan@lists.osuosl.org
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/intel/ixgbe/ixgbe_debugfs.c

index 50dfb02fa34cd46210ab5644fc57adef856e348e..171cdc55296176dfc5d94cae2ebe26187111d9d7 100644 (file)
@@ -190,22 +190,12 @@ static const struct file_operations ixgbe_dbg_netdev_ops_fops = {
 void ixgbe_dbg_adapter_init(struct ixgbe_adapter *adapter)
 {
        const char *name = pci_name(adapter->pdev);
-       struct dentry *pfile;
+
        adapter->ixgbe_dbg_adapter = debugfs_create_dir(name, ixgbe_dbg_root);
-       if (adapter->ixgbe_dbg_adapter) {
-               pfile = debugfs_create_file("reg_ops", 0600,
-                                           adapter->ixgbe_dbg_adapter, adapter,
-                                           &ixgbe_dbg_reg_ops_fops);
-               if (!pfile)
-                       e_dev_err("debugfs reg_ops for %s failed\n", name);
-               pfile = debugfs_create_file("netdev_ops", 0600,
-                                           adapter->ixgbe_dbg_adapter, adapter,
-                                           &ixgbe_dbg_netdev_ops_fops);
-               if (!pfile)
-                       e_dev_err("debugfs netdev_ops for %s failed\n", name);
-       } else {
-               e_dev_err("debugfs entry for %s failed\n", name);
-       }
+       debugfs_create_file("reg_ops", 0600, adapter->ixgbe_dbg_adapter,
+                           adapter, &ixgbe_dbg_reg_ops_fops);
+       debugfs_create_file("netdev_ops", 0600, adapter->ixgbe_dbg_adapter,
+                           adapter, &ixgbe_dbg_netdev_ops_fops);
 }
 
 /**
@@ -224,8 +214,6 @@ void ixgbe_dbg_adapter_exit(struct ixgbe_adapter *adapter)
 void ixgbe_dbg_init(void)
 {
        ixgbe_dbg_root = debugfs_create_dir(ixgbe_driver_name, NULL);
-       if (ixgbe_dbg_root == NULL)
-               pr_err("init of debugfs failed\n");
 }
 
 /**