[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>

1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 8c15c66eb4aa..51577c22f8ce 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1599,7 +1599,7 @@ static int snd_rawmidi_dev_unregister(struct snd_device *device)
         mutex_lock(&register_mutex);
         list_del(&rmidi->list);
         if (rmidi->proc_entry) {
-                snd_info_unregister(rmidi->proc_entry);
+                snd_info_free_entry(rmidi->proc_entry);
                 rmidi->proc_entry = NULL;
         }
 #ifdef CONFIG_SND_OSSEMUL