summaryrefslogtreecommitdiffstats
path: root/sound/core/info.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/core/info.c')
-rw-r--r--sound/core/info.c62
1 files changed, 31 insertions, 31 deletions
diff --git a/sound/core/info.c b/sound/core/info.c
index 8c1275f0fcbd..9c6db5c24da7 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -446,6 +446,22 @@ static const struct file_operations snd_info_text_entry_ops =
.read = seq_read,
};
+static struct snd_info_entry *create_subdir(struct module *mod,
+ const char *name)
+{
+ struct snd_info_entry *entry;
+
+ entry = snd_info_create_module_entry(mod, name, NULL);
+ if (!entry)
+ return NULL;
+ entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
+ if (snd_info_register(entry) < 0) {
+ snd_info_free_entry(entry);
+ return NULL;
+ }
+ return entry;
+}
+
int __init snd_info_init(void)
{
struct proc_dir_entry *p;
@@ -455,36 +471,27 @@ int __init snd_info_init(void)
return -ENOMEM;
snd_proc_root = p;
#ifdef CONFIG_SND_OSSEMUL
- {
- struct snd_info_entry *entry;
- if ((entry = snd_info_create_module_entry(THIS_MODULE, "oss", NULL)) == NULL)
- return -ENOMEM;
- entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
- if (snd_info_register(entry) < 0) {
- snd_info_free_entry(entry);
- return -ENOMEM;
- }
- snd_oss_root = entry;
- }
+ snd_oss_root = create_subdir(THIS_MODULE, "oss");
+ if (!snd_oss_root)
+ goto error;
#endif
#if IS_ENABLED(CONFIG_SND_SEQUENCER)
- {
- struct snd_info_entry *entry;
- if ((entry = snd_info_create_module_entry(THIS_MODULE, "seq", NULL)) == NULL)
- return -ENOMEM;
- entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
- if (snd_info_register(entry) < 0) {
- snd_info_free_entry(entry);
- return -ENOMEM;
- }
- snd_seq_root = entry;
- }
+ snd_seq_root = create_subdir(THIS_MODULE, "seq");
+ if (!snd_seq_root)
+ goto error;
#endif
snd_info_version_init();
snd_minor_info_init();
snd_minor_info_oss_init();
snd_card_info_init();
return 0;
+
+ error:
+#ifdef CONFIG_SND_OSSEMUL
+ snd_info_free_entry(snd_oss_root);
+#endif
+ proc_remove(snd_proc_root);
+ return -ENOMEM;
}
int __exit snd_info_done(void)
@@ -523,13 +530,9 @@ int snd_info_card_create(struct snd_card *card)
return -ENXIO;
sprintf(str, "card%i", card->number);
- if ((entry = snd_info_create_module_entry(card->module, str, NULL)) == NULL)
- return -ENOMEM;
- entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
- if (snd_info_register(entry) < 0) {
- snd_info_free_entry(entry);
+ entry = create_subdir(card->module, str);
+ if (!entry)
return -ENOMEM;
- }
card->proc_root = entry;
return 0;
}
@@ -758,7 +761,6 @@ EXPORT_SYMBOL(snd_info_create_card_entry);
static void snd_info_disconnect(struct snd_info_entry *entry)
{
struct list_head *p, *n;
- struct proc_dir_entry *root;
list_for_each_safe(p, n, &entry->children) {
snd_info_disconnect(list_entry(p, struct snd_info_entry, list));
@@ -767,8 +769,6 @@ static void snd_info_disconnect(struct snd_info_entry *entry)
if (! entry->p)
return;
list_del_init(&entry->list);
- root = entry->parent == NULL ? snd_proc_root : entry->parent->p;
- snd_BUG_ON(!root);
proc_remove(entry->p);
entry->p = NULL;
}