From 9b98c7c2a0599084c7ed629b5f88f474d2578307 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 7 Aug 2019 10:31:08 +0900
Subject: [PATCH] ASoC: soc-core: tidyup for snd_soc_add_card_controls()
Git-commit: 9b98c7c2a0599084c7ed629b5f88f474d2578307
Patch-mainline: v5.4-rc1
References: jsc#SLE-16518

snd_soc_add_card_controls() registers controls by using
for(... i < num; ...). If controls was NULL, num should be zero.
Thus, we don't need to check about controls pointer.
This patch also cares missing return value.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87blx1ahoi.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/soc-core.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index de95b68ce9ee..4b9ae867613c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2058,9 +2058,10 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	snd_soc_dapm_link_dai_widgets(card);
 	snd_soc_dapm_connect_dai_link_widgets(card);
 
-	if (card->controls)
-		snd_soc_add_card_controls(card, card->controls,
-					  card->num_controls);
+	ret = snd_soc_add_card_controls(card, card->controls,
+					card->num_controls);
+	if (ret < 0)
+		goto probe_end;
 
 	ret = snd_soc_dapm_add_routes(&card->dapm, card->dapm_routes,
 				      card->num_dapm_routes);
-- 
2.16.4