Re: [PATCH v2 0/3] ALSA: ctxfi: Clean up DAIO resource allocation

[Takashi Iwai <tiwai@suse.de>]

On Wed, 01 Apr 2026 11:01:56 +0200,
Harin Lee wrote:
> 
> Clean up the resource allocation in atc_get_resources() and related
> functions, on top of the recent SPDIFI1 fixes.
> 
> The earlier refactoring introduced a kernel crash on hw20k2, where
> daio_device_index() returned -EINVAL for the SPDIFI1 type and the
> value was used as an unsigned array offset. On my development system
> (64G memory), this did not manifest as a crash, making the bug
> difficult to catch during testing.
> 
> Tested on the real hw20k2 hardware with mem=8G to verify the original
> crash and confirm these patches.
> 
> Changes in v2:
>  - Add atc_spdif_in_type() helper to avoid ternary operators in
>    multiple places
>  - Rewrite the SPDIFI type skip condition as explicit model checks
> 
> Harin Lee (3):
>   ALSA: ctxfi: Rename SPDIFI1 to SPDIFI_BAY
>   ALSA: ctxfi: Use correct DAIO type for da_desc
>   ALSA: ctxfi: Precompute SRC allocation loop bound

Applied to for-next branch now.  Thanks.


Takashi