ASoC: simple-card: Use cleanup.h instead of devm_kfree()

Allocate the memory with scoped/cleanup.h, instead of devm interface, to
make the code more obvious that memory is not used outside this scope.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/20240703-asoc-cleanup-h-v1-8-71219dfd0aef@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/generic/simple-card.c

@@ -5,6 +5,7 @@
 // Copyright (C) 2012 Renesas Solutions Corp.
 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 
+#include <linux/cleanup.h>
 #include <linux/clk.h>
 #include <linux/device.h>
 #include <linux/module.h>
@@ -727,7 +728,6 @@ static int simple_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct device_node *np = dev->of_node;
 	struct snd_soc_card *card;
-	struct link_info *li;
 	int ret;
 
 	/* Allocate the private data and the DAI link array */
@@ -741,7 +741,7 @@ static int simple_probe(struct platform_device *pdev)
 	card->probe		= simple_soc_probe;
 	card->driver_name       = "simple-card";
 
-	li = devm_kzalloc(dev, sizeof(*li), GFP_KERNEL);
+	struct link_info *li __free(kfree) = kzalloc(sizeof(*li), GFP_KERNEL);
 	if (!li)
 		return -ENOMEM;
 
@@ -818,7 +818,6 @@ static int simple_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err;
 
-	devm_kfree(dev, li);
 	return 0;
 err:
 	simple_util_clean_reference(card);