mei: 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: Tomas Winkler <tomas.winkler@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 11 insertions, 36 deletions

diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c
index 0970142bcace..df6bf8b81936 100644
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@ -233,47 +233,22 @@ void mei_dbgfs_deregister(struct mei_device *dev)
  *
  * @dev: the mei device structure
  * @name: the mei device name
- *
- * Return: 0 on success, <0 on failure.
  */
-int mei_dbgfs_register(struct mei_device *dev, const char *name)
+void mei_dbgfs_register(struct mei_device *dev, const char *name)
 {
-	struct dentry *dir, *f;
+	struct dentry *dir;
 
 	dir = debugfs_create_dir(name, NULL);
-	if (!dir)
-		return -ENOMEM;
-
 	dev->dbgfs_dir = dir;
 
-	f = debugfs_create_file("meclients", S_IRUSR, dir,
-				dev, &mei_dbgfs_fops_meclients);
-	if (!f) {
-		dev_err(dev->dev, "meclients: registration failed\n");
-		goto err;
-	}
-	f = debugfs_create_file("active", S_IRUSR, dir,
-				dev, &mei_dbgfs_fops_active);
-	if (!f) {
-		dev_err(dev->dev, "active: registration failed\n");
-		goto err;
-	}
-	f = debugfs_create_file("devstate", S_IRUSR, dir,
-				dev, &mei_dbgfs_fops_devstate);
-	if (!f) {
-		dev_err(dev->dev, "devstate: registration failed\n");
-		goto err;
-	}
-	f = debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
-				&dev->allow_fixed_address,
-				&mei_dbgfs_fops_allow_fa);
-	if (!f) {
-		dev_err(dev->dev, "allow_fixed_address: registration failed\n");
-		goto err;
-	}
-	return 0;
-err:
-	mei_dbgfs_deregister(dev);
-	return -ENODEV;
+	debugfs_create_file("meclients", S_IRUSR, dir, dev,
+			    &mei_dbgfs_fops_meclients);
+	debugfs_create_file("active", S_IRUSR, dir, dev,
+			    &mei_dbgfs_fops_active);
+	debugfs_create_file("devstate", S_IRUSR, dir, dev,
+			    &mei_dbgfs_fops_devstate);
+	debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
+			    &dev->allow_fixed_address,
+			    &mei_dbgfs_fops_allow_fa);
 }