ASoC: soc-core: tidyup for snd_soc_add_card_controls()

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>

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index de95b68..4b9ae86 100644 (file)
--- 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);