diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index 1a7497d015b29b4dcb7ed60a520278faa9ad5859..5b7430bd83a6533065e4cba76fb18665d172ef80 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -77,63 +77,40 @@ static void pfn_inject_exit(void)
 
 static int pfn_inject_init(void)
 {
-	struct dentry *dentry;
-
 	hwpoison_dir = debugfs_create_dir("hwpoison", NULL);
-	if (hwpoison_dir == NULL)
-		return -ENOMEM;
 
 	/*
 	 * Note that the below poison/unpoison interfaces do not involve
 	 * hardware status change, hence do not require hardware support.
 	 * They are mainly for testing hwpoison in software level.
 	 */
-	dentry = debugfs_create_file("corrupt-pfn", 0200, hwpoison_dir,
-					  NULL, &hwpoison_fops);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_file("unpoison-pfn", 0200, hwpoison_dir,
-				     NULL, &unpoison_fops);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_u32("corrupt-filter-enable", 0600,
-				    hwpoison_dir, &hwpoison_filter_enable);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_u32("corrupt-filter-dev-major", 0600,
-				    hwpoison_dir, &hwpoison_filter_dev_major);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_u32("corrupt-filter-dev-minor", 0600,
-				    hwpoison_dir, &hwpoison_filter_dev_minor);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_u64("corrupt-filter-flags-mask", 0600,
-				    hwpoison_dir, &hwpoison_filter_flags_mask);
-	if (!dentry)
-		goto fail;
-
-	dentry = debugfs_create_u64("corrupt-filter-flags-value", 0600,
-				    hwpoison_dir, &hwpoison_filter_flags_value);
-	if (!dentry)
-		goto fail;
+	debugfs_create_file("corrupt-pfn", 0200, hwpoison_dir, NULL,
+			    &hwpoison_fops);
+
+	debugfs_create_file("unpoison-pfn", 0200, hwpoison_dir, NULL,
+			    &unpoison_fops);
+
+	debugfs_create_u32("corrupt-filter-enable", 0600, hwpoison_dir,
+			   &hwpoison_filter_enable);
+
+	debugfs_create_u32("corrupt-filter-dev-major", 0600, hwpoison_dir,
+			   &hwpoison_filter_dev_major);
+
+	debugfs_create_u32("corrupt-filter-dev-minor", 0600, hwpoison_dir,
+			   &hwpoison_filter_dev_minor);
+
+	debugfs_create_u64("corrupt-filter-flags-mask", 0600, hwpoison_dir,
+			   &hwpoison_filter_flags_mask);
+
+	debugfs_create_u64("corrupt-filter-flags-value", 0600, hwpoison_dir,
+			   &hwpoison_filter_flags_value);
 
 #ifdef CONFIG_MEMCG
-	dentry = debugfs_create_u64("corrupt-filter-memcg", 0600,
-				    hwpoison_dir, &hwpoison_filter_memcg);
-	if (!dentry)
-		goto fail;
+	debugfs_create_u64("corrupt-filter-memcg", 0600, hwpoison_dir,
+			   &hwpoison_filter_memcg);
 #endif
 
 	return 0;
-fail:
-	pfn_inject_exit();
-	return -ENOMEM;
 }
 
 module_init(pfn_inject_init);