From 56f3364aba8866d0f7f8c965e7acf07f35679701 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Wed, 12 Jun 2019 17:36:13 +0200
Subject: lib: notifier-error-inject: 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: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20190612153613.GA21239@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 lib/notifier-error-inject.c | 13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

(limited to 'lib/notifier-error-inject.c')

diff --git a/lib/notifier-error-inject.c b/lib/notifier-error-inject.c
index 3d2ba7cf83f4..21016b32d313 100644
--- a/lib/notifier-error-inject.c
+++ b/lib/notifier-error-inject.c
@@ -59,33 +59,22 @@ struct dentry *notifier_err_inject_init(const char *name, struct dentry *parent,
 	err_inject->nb.priority = priority;
 
 	dir = debugfs_create_dir(name, parent);
-	if (!dir)
-		return ERR_PTR(-ENOMEM);
 
 	actions_dir = debugfs_create_dir("actions", dir);
-	if (!actions_dir)
-		goto fail;
 
 	for (action = err_inject->actions; action->name; action++) {
 		struct dentry *action_dir;
 
 		action_dir = debugfs_create_dir(action->name, actions_dir);
-		if (!action_dir)
-			goto fail;
 
 		/*
 		 * Create debugfs r/w file containing action->error. If
 		 * notifier call chain is called with action->val, it will
 		 * fail with the error code
 		 */
-		if (!debugfs_create_errno("error", mode, action_dir,
-					&action->error))
-			goto fail;
+		debugfs_create_errno("error", mode, action_dir, &action->error);
 	}
 	return dir;
-fail:
-	debugfs_remove_recursive(dir);
-	return ERR_PTR(-ENOMEM);
 }
 EXPORT_SYMBOL_GPL(notifier_err_inject_init);
 
-- 
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