Merge tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu into staging

chardev patches & small audio fix

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# gpg: Signature made Fri 02 Sep 2022 09:13:26 EDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
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* tag 'char-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  audio: exit(1) if audio backend failed to be found or initialized
  tests/unit: Update test-io-channel-socket.c for Windows
  chardev/char-socket: Update AF_UNIX for Windows
  util/qemu-sockets: Enable unix socket support on Windows

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

2 files changed, 12 insertions, 4 deletions

diff --git a/audio/audio.c b/audio/audio.c
index a02f3ce5c6..76b8735b44 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1743,7 +1743,6 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
         atexit(audio_cleanup);
         atexit_registered = true;
     }
-    QTAILQ_INSERT_TAIL(&audio_states, s, list);
 
     s->ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, audio_timer, s);
 
@@ -1769,6 +1768,10 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
         } else {
             dolog ("Unknown audio driver `%s'\n", drvname);
         }
+        if (!done) {
+            free_audio_state(s);
+            return NULL;
+        }
     } else {
         for (i = 0; audio_prio_list[i]; i++) {
             AudiodevListEntry *e = audiodev_find(&head, audio_prio_list[i]);
@@ -1806,6 +1809,7 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
                "(Audio can continue looping even after stopping the VM)\n");
     }
 
+    QTAILQ_INSERT_TAIL(&audio_states, s, list);
     QLIST_INIT (&s->card_head);
     vmstate_register (NULL, 0, &vmstate_audio, s);
     return s;
@@ -2119,13 +2123,17 @@ void audio_define(Audiodev *dev)
     QSIMPLEQ_INSERT_TAIL(&audiodevs, e, next);
 }
 
-void audio_init_audiodevs(void)
+bool audio_init_audiodevs(void)
 {
     AudiodevListEntry *e;
 
     QSIMPLEQ_FOREACH(e, &audiodevs, next) {
-        audio_init(e->dev, NULL);
+        if (!audio_init(e->dev, NULL)) {
+            return false;
+        }
     }
+
+    return true;
 }
 
 audsettings audiodev_to_audsettings(AudiodevPerDirectionOptions *pdo)
diff --git a/audio/audio.h b/audio/audio.h
index b5e17cd218..27e67079a0 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -170,7 +170,7 @@ void audio_sample_from_uint64(void *samples, int pos,
 
 void audio_define(Audiodev *audio);
 void audio_parse_option(const char *opt);
-void audio_init_audiodevs(void);
+bool audio_init_audiodevs(void);
 void audio_legacy_help(void);
 
 AudioState *audio_state_by_name(const char *name);