> virtsnd_pcm_msg_send() can fail while queueing a transfer. Restore the
> failed message's length and notify the device about earlier messages
> queued by the same call, so they do not remain stranded.
>
> Propagate that failure through the indirect PCM transfer callback instead
> of discarding it. Commit the updated indirect state only after successful
> submission and stop further transfers when a send fails. Return an XRUN
> error to ALSA so the stream can recover.
>
> Keep the polling feature path unchanged.
>
> Fixes: fe981e67568c ("ALSA: virtio: use ack callback")
> Assisted-by: LLM
> Signed-off-by: Joonho Lee <[email protected]>
Sashiko has reviewed this patch and found no issues. It looks great!
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