[PATCH 1/9] audio: don't check qemu_add_vm_change_state_handler failure

[Volker Rümelin]

Am 13.01.23 um 17:21 schrieb Daniel P. Berrangé:
> This function cannot fail since g_malloc0 aborts on OOM.
>
> Signed-off-by: Daniel P. Berrangé <berrange at redhat.com>
> ---
>   audio/audio.c | 7 +------
>   1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/audio/audio.c b/audio/audio.c
> index d849a94a81..7b4b957945 100644
> --- a/audio/audio.c
> +++ b/audio/audio.c
> @@ -1712,7 +1712,6 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
>       size_t i;
>       int done = 0;
>       const char *drvname = NULL;
> -    VMChangeStateEntry *e;
>       AudioState *s;
>       struct audio_driver *driver;
>       /* silence gcc warning about uninitialized variable */
> @@ -1830,11 +1829,7 @@ static AudioState *audio_init(Audiodev *dev, const char *name)
>           s->period_ticks = dev->timer_period * (int64_t)SCALE_US;
>       }
>   
> -    e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);
> -    if (!e) {
> -        dolog ("warning: Could not register change state handler\n"
> -               "(Audio can continue looping even after stopping the VM)\n");
> -    }
> +    qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s);

checkpatch.pl doesn't work properly here. It should report:
ERROR: space prohibited between function name and open parenthesis '('

With this changed,

Reviewed-by: Volker Rümelin <vr_qemu at t-online.de>

>   
>       QTAILQ_INSERT_TAIL(&audio_states, s, list);
>       QLIST_INIT (&s->card_head);