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ASoC: SOF: Intel: add an empty adr_link

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An empty adr_link is expected to terminate the
for (adr_link = mach_params->links; adr_link->num_adr; adr_link++) loop.
Allocate link_num + 1 links to add an empty adr_link.

Fixes: 5226d19d4c ("ASoC: SOF: Intel: use sof_sdw as default SDW machine driver")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260424105031.114053-1-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Bard Liao
2026-04-24 18:50:31 +08:00
committed by Mark Brown
parent b0f6f4ac7d
commit 3c6f06a200
1 changed files with 2 additions and 1 deletions
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3
sound/soc/sof/intel/hda.c
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@@ -1412,7 +1412,8 @@ static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev
link_mask |= BIT(peripherals->array[i]->bus->link_id);
link_num = hweight32(link_mask);
links = devm_kcalloc(sdev->dev, link_num, sizeof(*links), GFP_KERNEL);
/* An empty adr_link is needed to terminate the adr_link loop */
links = devm_kcalloc(sdev->dev, link_num + 1, sizeof(*links), GFP_KERNEL);
if (!links)
return NULL;