From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> snd_soc_fixup_dai_links_platform_name() is assuming it is single platform. return error if multi platforms. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx> --- include/sound/soc.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/sound/soc.h b/include/sound/soc.h index 200815ca4112..e746da996351 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -1280,6 +1280,10 @@ int snd_soc_fixup_dai_links_platform_name(struct snd_soc_card *card, /* set platform name for each dailink */ for_each_card_prelinks(card, i, dai_link) { + /* only single platform is supported for now */ + if (dai_link->num_platforms != 1) + return -EINVAL; + if (!dai_link->platforms) return -EINVAL; -- 2.25.1