linux-kernel - [PATCH] ASoC: sprd: Simplify memory allocation in sprd_platform_compr_dma

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date: Tue, 19 Dec 2023 05:41:19 +0100
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Orson Zhai <orsonzhai@...il.com>,
	Baolin Wang <baolin.wang@...ux.alibaba.com>,
	Chunyan Zhang <zhang.lyra@...il.com>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-sound@...r.kernel.org
Subject: [PATCH] ASoC: sprd: Simplify memory allocation in sprd_platform_compr_dma_config()

'sg' is freed at the end sprd_platform_compr_dma_config() both in the
normal and in the error handling path.

There is no need to use the devm_kcalloc()/devm_kfree(), kcalloc()/kfree()
is enough.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 sound/soc/sprd/sprd-pcm-compress.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/soc/sprd/sprd-pcm-compress.c b/sound/soc/sprd/sprd-pcm-compress.c
index 6cfab8844d0f..57bd1a0728ac 100644
--- a/sound/soc/sprd/sprd-pcm-compress.c
+++ b/sound/soc/sprd/sprd-pcm-compress.c
@@ -160,7 +160,7 @@ static int sprd_platform_compr_dma_config(struct snd_soc_component *component,
 		return -ENODEV;
 	}
 
-	sgt = sg = devm_kcalloc(dev, sg_num, sizeof(*sg), GFP_KERNEL);
+	sgt = sg = kcalloc(sg_num, sizeof(*sg), GFP_KERNEL);
 	if (!sg) {
 		ret = -ENOMEM;
 		goto sg_err;
@@ -250,12 +250,12 @@ static int sprd_platform_compr_dma_config(struct snd_soc_component *component,
 		dma->desc->callback_param = cstream;
 	}
 
-	devm_kfree(dev, sg);
+	kfree(sg);
 
 	return 0;
 
 config_err:
-	devm_kfree(dev, sg);
+	kfree(sg);
 sg_err:
 	dma_release_channel(dma->chan);
 	return ret;
-- 
2.34.1