ALSA: info: Move list addition to snd_info_create_entry()
authorTakashi Iwai <tiwai@suse.de>
Mon, 18 May 2015 07:43:30 +0000 (09:43 +0200)
committerTakashi Iwai <tiwai@suse.de>
Mon, 18 May 2015 07:44:28 +0000 (09:44 +0200)
Just a minor refactoring, no functional changes.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/info.c

index 13b1744..76cdf1d 100644 (file)
@@ -455,11 +455,12 @@ static struct snd_info_entry *create_subdir(struct module *mod,
        return entry;
 }
 
-static struct snd_info_entry *snd_info_create_entry(const char *name);
+static struct snd_info_entry *
+snd_info_create_entry(const char *name, struct snd_info_entry *parent);
 
 int __init snd_info_init(void)
 {
-       snd_proc_root = snd_info_create_entry("asound");
+       snd_proc_root = snd_info_create_entry("asound", NULL);
        if (!snd_proc_root)
                return -ENOMEM;
        snd_proc_root->mode = S_IFDIR | S_IRUGO | S_IXUGO;
@@ -688,6 +689,7 @@ EXPORT_SYMBOL(snd_info_get_str);
 /**
  * snd_info_create_entry - create an info entry
  * @name: the proc file name
+ * @parent: the parent directory
  *
  * Creates an info entry with the given file name and initializes as
  * the default state.
@@ -697,7 +699,8 @@ EXPORT_SYMBOL(snd_info_get_str);
  *
  * Return: The pointer of the new instance, or %NULL on failure.
  */
-static struct snd_info_entry *snd_info_create_entry(const char *name)
+static struct snd_info_entry *
+snd_info_create_entry(const char *name, struct snd_info_entry *parent)
 {
        struct snd_info_entry *entry;
        entry = kzalloc(sizeof(*entry), GFP_KERNEL);
@@ -713,6 +716,9 @@ static struct snd_info_entry *snd_info_create_entry(const char *name)
        mutex_init(&entry->access);
        INIT_LIST_HEAD(&entry->children);
        INIT_LIST_HEAD(&entry->list);
+       entry->parent = parent;
+       if (parent)
+               list_add_tail(&entry->list, &parent->children);
        return entry;
 }
 
@@ -730,13 +736,9 @@ struct snd_info_entry *snd_info_create_module_entry(struct module * module,
                                               const char *name,
                                               struct snd_info_entry *parent)
 {
-       struct snd_info_entry *entry = snd_info_create_entry(name);
-       if (entry) {
+       struct snd_info_entry *entry = snd_info_create_entry(name, parent);
+       if (entry)
                entry->module = module;
-               entry->parent = parent;
-               if (parent)
-                       list_add_tail(&entry->list, &parent->children);
-       }
        return entry;
 }
 
@@ -756,13 +758,10 @@ struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card,
                                             const char *name,
                                             struct snd_info_entry * parent)
 {
-       struct snd_info_entry *entry = snd_info_create_entry(name);
+       struct snd_info_entry *entry = snd_info_create_entry(name, parent);
        if (entry) {
                entry->module = card->module;
                entry->card = card;
-               entry->parent = parent;
-               if (parent)
-                       list_add_tail(&entry->list, &parent->children);
        }
        return entry;
 }