[ALSA] Fix disconnection of proc interface
- Add the linked list to each proc entry to enable a single-shot
disconnection (unregister)
- Deprecate snd_info_unregister(), use snd_info_free_entry()
- Removed NULL checks of snd_info_free_entry()
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/include/sound/info.h b/include/sound/info.h
index 74f69967..97ffc4f 100644
--- a/include/sound/info.h
+++ b/include/sound/info.h
@@ -71,7 +71,6 @@
mode_t mode;
long size;
unsigned short content;
- unsigned short disconnected: 1;
union {
struct snd_info_entry_text text;
struct snd_info_entry_ops *ops;
@@ -83,6 +82,8 @@
void (*private_free)(struct snd_info_entry *entry);
struct proc_dir_entry *p;
struct mutex access;
+ struct list_head children;
+ struct list_head list;
};
#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
@@ -122,8 +123,8 @@
int snd_info_card_create(struct snd_card * card);
int snd_info_card_register(struct snd_card * card);
int snd_info_card_free(struct snd_card * card);
+void snd_info_card_disconnect(struct snd_card * card);
int snd_info_register(struct snd_info_entry * entry);
-int snd_info_unregister(struct snd_info_entry * entry);
/* for card drivers */
int snd_card_proc_new(struct snd_card *card, const char *name, struct snd_info_entry **entryp);
@@ -156,8 +157,8 @@
static inline int snd_info_card_create(struct snd_card * card) { return 0; }
static inline int snd_info_card_register(struct snd_card * card) { return 0; }
static inline int snd_info_card_free(struct snd_card * card) { return 0; }
+static inline void snd_info_card_disconnect(struct snd_card * card) { }
static inline int snd_info_register(struct snd_info_entry * entry) { return 0; }
-static inline int snd_info_unregister(struct snd_info_entry * entry) { return 0; }
static inline int snd_card_proc_new(struct snd_card *card, const char *name,
struct snd_info_entry **entryp) { return -EINVAL; }