From d908b922c71791568384336ccc3d12a8cbcd1777 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 22 Mar 2021 11:48:54 +0900 Subject: [PATCH] ASoC: soc.h: return error if multi platform at snd_soc_fixup_dai_links_platform_name() snd_soc_fixup_dai_links_platform_name() is assuming it is single platform. return error if multi platforms. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/871rc7aoo9.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- 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;