ASoC: audio-graph: tidyup graph_dai_link_of_dpcm()

Use local variable at local area only.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Michael Walle <michael@walle.cc>
Link: https://lore.kernel.org/r/87eeeeax16.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/generic/audio-graph-card.c

@@ -276,24 +276,19 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 				  struct link_info *li)
 {
 	struct device *dev = simple_priv_to_dev(priv);
-	struct snd_soc_card *card = simple_priv_to_card(priv);
 	struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
 	struct simple_dai_props *dai_props = simple_priv_to_props(priv, li->link);
 	struct device_node *top = dev->of_node;
 	struct device_node *ep = li->cpu ? cpu_ep : codec_ep;
-	struct device_node *port;
-	struct device_node *ports;
-	struct snd_soc_dai_link_component *cpus = asoc_link_to_cpu(dai_link, 0);
-	struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, 0);
 	char dai_name[64];
 	int ret;
 
-	port	= of_get_parent(ep);
-	ports	= of_get_parent(port);
-
 	dev_dbg(dev, "link_of DPCM (%pOF)\n", ep);
 
 	if (li->cpu) {
+		struct snd_soc_card *card = simple_priv_to_card(priv);
+		struct snd_soc_dai_link_component *cpus = asoc_link_to_cpu(dai_link, 0);
+
 		/* Codec is dummy */
 
 		/* FE settings */
@@ -302,7 +297,7 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 
 		ret = graph_parse_node(priv, cpu_ep, li, 1);
 		if (ret)
-			goto out_put_node;
+			return ret;
 
 		snprintf(dai_name, sizeof(dai_name),
 			 "fe.%pOFP.%s", cpus->of_node, cpus->dai_name);
@@ -319,7 +314,10 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 		if (card->component_chaining && !soc_component_is_pcm(cpus))
 			dai_link->no_pcm = 1;
 	} else {
-		struct snd_soc_codec_conf *cconf;
+		struct snd_soc_codec_conf *cconf = simple_props_to_codec_conf(dai_props, 0);
+		struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, 0);
+		struct device_node *port;
+		struct device_node *ports;
 
 		/* CPU is dummy */
 
@@ -327,22 +325,25 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 		dai_link->no_pcm		= 1;
 		dai_link->be_hw_params_fixup	= asoc_simple_be_hw_params_fixup;
 
-		cconf	= simple_props_to_codec_conf(dai_props, 0);
-
 		ret = graph_parse_node(priv, codec_ep, li, 0);
 		if (ret < 0)
-			goto out_put_node;
+			return ret;
 
 		snprintf(dai_name, sizeof(dai_name),
 			 "be.%pOFP.%s", codecs->of_node, codecs->dai_name);
 
 		/* check "prefix" from top node */
+		port = of_get_parent(ep);
+		ports = of_get_parent(port);
 		snd_soc_of_parse_node_prefix(top, cconf, codecs->of_node,
 					      "prefix");
 		if (of_node_name_eq(ports, "ports"))
 			snd_soc_of_parse_node_prefix(ports, cconf, codecs->of_node, "prefix");
 		snd_soc_of_parse_node_prefix(port, cconf, codecs->of_node,
 					     "prefix");
+
+		of_node_put(ports);
+		of_node_put(port);
 	}
 
 	graph_parse_convert(dev, ep, &dai_props->adata);
@@ -351,11 +352,8 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
 
 	ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
 
-out_put_node:
 	li->link++;
 
-	of_node_put(ports);
-	of_node_put(port);
 	return ret;
 }