> Keep the control queue available through snd_card_free() so close-time
> STOP and RELEASE commands can still be submitted. Block new control
> requests and mark pending messages canceled before reset, then release
> their queue references only after reset and queue deletion.
>
> For PCM queues, detach each remaining virtqueue buffer after the device
> has stopped DMA and retire its message without reporting a normal
> completion. Detach all queues before deleting them so outstanding DMA
> mappings are unmapped and no token remains for a late device completion.
>
> Fixes: 9d45e514da88 ("ALSA: virtio: handling control messages")
> 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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Sashiko AI review ยท
https://sashiko.dev/#/patchset/[email protected]?part=3
