[PATCH 4/9] audio: remove QEMUSoundCard linked list

[Daniel P. Berrangé <berrange@xxxxxxxxxx>]

No code ever iterates over the list

Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
---
 audio/audio.c     | 5 -----
 audio/audio.h     | 1 -
 audio/audio_int.h | 1 -
 3 files changed, 7 deletions(-)

diff --git a/audio/audio.c b/audio/audio.c
index 94a16c2dda..217095306f 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1812,7 +1812,6 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
     qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);
 
     QTAILQ_INSERT_TAIL(&audio_states, s, list);
-    QLIST_INIT (&s->card_head);
     vmstate_register (NULL, 0, &vmstate_audio, s);
     return s;
 }
@@ -1832,14 +1831,10 @@ void AUD_register_card (const char *name, QEMUSoundCard *card)
     if (!card->state) {
         card->state = audio_init(NULL, name);
     }
-
-    memset (&card->entries, 0, sizeof (card->entries));
-    QLIST_INSERT_HEAD(&card->state->card_head, card, entries);
 }
 
 void AUD_remove_card (QEMUSoundCard *card)
 {
-    QLIST_REMOVE (card, entries);
 }
 
 static struct audio_pcm_ops capture_pcm_ops;
diff --git a/audio/audio.h b/audio/audio.h
index eefb809a54..ebcc540431 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -83,7 +83,6 @@ typedef struct SWVoiceIn SWVoiceIn;
 typedef struct AudioState AudioState;
 typedef struct QEMUSoundCard {
     AudioState *state;
-    QLIST_ENTRY (QEMUSoundCard) entries;
 } QEMUSoundCard;
 
 typedef struct QEMUAudioTimeStamp {
diff --git a/audio/audio_int.h b/audio/audio_int.h
index b0cc2cd390..ca62e49ee5 100644
--- a/audio/audio_int.h
+++ b/audio/audio_int.h
@@ -225,7 +225,6 @@ typedef struct AudioState {
     void *drv_opaque;
 
     QEMUTimer *ts;
-    QLIST_HEAD (card_listhead, QEMUSoundCard) card_head;
     QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
     QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
     QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
-- 
2.38.1