ASoC: soc-core: tidyup for snd_soc_add_component_controls()

snd_soc_add_component_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/87ef1xahor.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 bb1e9e2..e481f99 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1304,10 +1304,12 @@ static int soc_probe_component(struct snd_soc_card *card,
                }
        }
 
-       if (component->driver->controls)
-               snd_soc_add_component_controls(component,
-                                              component->driver->controls,
-                                              component->driver->num_controls);
+       ret = snd_soc_add_component_controls(component,
+                                            component->driver->controls,
+                                            component->driver->num_controls);
+       if (ret < 0)
+               goto err_probe;
+
        if (component->driver->dapm_routes)
                snd_soc_dapm_add_routes(dapm,
                                        component->driver->dapm_routes,