linux-kernel - [PATCH 1/3] ASoC: simple-card: Use devm_kcalloc() in asoc_simple_card_parse_aux

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Date:   Wed, 26 Apr 2017 15:04:11 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     alsa-devel@...a-project.org, Jaroslav Kysela <perex@...ex.cz>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Nikita Yushchenko <nikita.yoush@...entembedded.com>,
        Takashi Iwai <tiwai@...e.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH 1/3] ASoC: simple-card: Use devm_kcalloc() in
 asoc_simple_card_parse_aux_devs()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Wed, 26 Apr 2017 14:21:51 +0200

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".

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 sound/soc/generic/simple-card.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 2c9dedab5184..b59d51374b89 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -334,8 +334,8 @@ static int asoc_simple_card_parse_aux_devs(struct device_node *node,
 	if (n <= 0)
 		return -EINVAL;
 
-	card->aux_dev = devm_kzalloc(dev,
-			n * sizeof(*card->aux_dev), GFP_KERNEL);
+	card->aux_dev = devm_kcalloc(dev, n, sizeof(*card->aux_dev),
+				     GFP_KERNEL);
 	if (!card->aux_dev)
 		return -ENOMEM;
 
-- 
2.12.2