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Copilot review overview
🟡 Changes recommended
The exception can misclassify malformed non-probe configurations and bypass channel validation.
Review effort: Balanced
Findings: 1
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What changed in this PR
Allows IPC4 probe initialization with a zeroed base configuration while retaining channel-count validation.
Changes:
- Detects zeroed base configurations.
- Exempts them from channel-count validation.
| File | Description |
|---|---|
src/audio/module_adapter/module_adapter_ipc4.c |
Adds the probe configuration exception. |
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The channel check introduced in commit: cdb7f91 ("audio: module_adapter: bound host channels_count at ipc4 init") does not let probes module through. Add extra condition to allows probes that relies on ipc4 probes implementation on Linux ASoC side, that initializes the whole base config as zero for probes module. Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
PR 11260: test resultsRun date: 2026-10-05 15:05 UTC Tested commit: cf67fd40bd30a06860159e7dc11a74477c449a68
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kv2019i
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kv2019i
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Change looks good and needed, but wondering whether we could simplify check... see inline
| dst->base_cfg.audio_fmt.channels_count > PLATFORM_MAX_CHANNELS) { | ||
| if ((dst->base_cfg.audio_fmt.channels_count == 0 || | ||
| dst->base_cfg.audio_fmt.channels_count > PLATFORM_MAX_CHANNELS) && | ||
| !is_probe_module(&dst->base_cfg)) { |
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Could we just drop the check for channel count equal? Checking for a full-zero base config seems a bit hackish and if the original check is to prevent out-of-bounds access, just passing zero channel count would seem to do the trick. @abonislawski @jsarha
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Ok by me. @abonislawski , Ok if I just remove the channel_count == 0 check?
The channel check introduced in commit:
cdb7f91 ("audio: module_adapter: bound host channels_count at ipc4 init")
does not let probes module through. Add extra condition to allows probes that relies on ipc4 probes implementation on Linux ASoC side, that initializes the whole base config as zero for probes module.
Fixes: #11254