linux-kernel - [PATCH] fsl: imx-audmix : Use devm_kcalloc() instead of devm

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Message-Id: <20200921015918.24157-1-vulab@iscas.ac.cn>
Date:   Mon, 21 Sep 2020 01:59:18 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     timur@...nel.org, nicoleotsuka@...il.com, Xiubo.Lee@...il.com,
        festevam@...il.com, shengjiu.wang@...il.com, lgirdwood@...il.com,
        broonie@...nel.org, perex@...ex.cz, tiwai@...e.com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        linux-imx@....com, alsa-devel@...a-project.org,
        linuxppc-dev@...ts.ozlabs.org, linux-arm-kernel@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, Xu Wang <vulab@...as.ac.cn>
Subject: [PATCH] fsl: imx-audmix :  Use devm_kcalloc() instead of devm_kzalloc()

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "devm_kcalloc".

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 sound/soc/fsl/imx-audmix.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/imx-audmix.c b/sound/soc/fsl/imx-audmix.c
index 202fb8950078..cbdc0a2c09c5 100644
--- a/sound/soc/fsl/imx-audmix.c
+++ b/sound/soc/fsl/imx-audmix.c
@@ -185,20 +185,20 @@ static int imx_audmix_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	priv->num_dai = 2 * num_dai;
-	priv->dai = devm_kzalloc(&pdev->dev, priv->num_dai *
+	priv->dai = devm_kcalloc(&pdev->dev, priv->num_dai,
 				 sizeof(struct snd_soc_dai_link), GFP_KERNEL);
 	if (!priv->dai)
 		return -ENOMEM;
 
 	priv->num_dai_conf = num_dai;
-	priv->dai_conf = devm_kzalloc(&pdev->dev, priv->num_dai_conf *
+	priv->dai_conf = devm_kcalloc(&pdev->dev, priv->num_dai_conf,
 				      sizeof(struct snd_soc_codec_conf),
 				      GFP_KERNEL);
 	if (!priv->dai_conf)
 		return -ENOMEM;
 
 	priv->num_dapm_routes = 3 * num_dai;
-	priv->dapm_routes = devm_kzalloc(&pdev->dev, priv->num_dapm_routes *
+	priv->dapm_routes = devm_kcalloc(&pdev->dev, priv->num_dapm_routes,
 					 sizeof(struct snd_soc_dapm_route),
 					 GFP_KERNEL);
 	if (!priv->dapm_routes)
@@ -208,7 +208,7 @@ static int imx_audmix_probe(struct platform_device *pdev)
 		struct snd_soc_dai_link_component *dlc;
 
 		/* for CPU/Codec/Platform x 2 */
-		dlc = devm_kzalloc(&pdev->dev, 6 * sizeof(*dlc), GFP_KERNEL);
+		dlc = devm_kcalloc(&pdev->dev, 6, sizeof(*dlc), GFP_KERNEL);
 		if (!dlc) {
 			dev_err(&pdev->dev, "failed to allocate dai_link\n");
 			return -ENOMEM;
-- 
2.17.1