From: Bard Liao Date: Fri, 24 Apr 2026 10:50:31 +0000 (+0800) Subject: ASoC: SOF: Intel: add an empty adr_link X-Git-Tag: v7.1-rc2~24^2~5^2~11 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c6f06a200796ae7b2b1065e8a6499b138e27a50;p=thirdparty%2Fkernel%2Flinux.git ASoC: SOF: Intel: add an empty adr_link 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: 5226d19d4cae5 ("ASoC: SOF: Intel: use sof_sdw as default SDW machine driver") Signed-off-by: Bard Liao Reviewed-by: Charles Keepax Link: https://patch.msgid.link/20260424105031.114053-1-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index b3d61d973ce4..8662b422eb80 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -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;