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ASoC: codecs: Use kcalloc() instead of kzalloc()

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Use devm_kcalloc() in fs_parse_scene_tables() and pcmdev_gain_ctrl_add()
to gain built-in overflow protection, making memory allocation safer when
calculating allocation size compared to explicit multiplication.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Link: https://patch.msgid.link/20250820123423.470486-2-rongqianfeng@vivo.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Qianfeng Rong
2025-08-20 20:34:18 +08:00
committed by Mark Brown
parent 132e098ef9
commit 45441b933c
2 changed files with 3 additions and 3 deletions
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2
sound/soc/codecs/fs-amp-lib.c
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@@ -111,7 +111,7 @@ static int fs_parse_scene_tables(struct fs_amp_lib *amp_lib)
if (count <= 0)
return -EFAULT;
scene = devm_kzalloc(amp_lib->dev, count * sizeof(*scene), GFP_KERNEL);
scene = devm_kcalloc(amp_lib->dev, count, sizeof(*scene), GFP_KERNEL);
if (!scene)
return -ENOMEM;

4
sound/soc/codecs/pcm6240.c
View File

@@ -1353,8 +1353,8 @@ static int pcmdev_gain_ctrl_add(struct pcmdevice_priv *pcm_dev,
return 0;
}
pcmdev_controls = devm_kzalloc(pcm_dev->dev,
nr_chn * sizeof(struct snd_kcontrol_new), GFP_KERNEL);
pcmdev_controls = devm_kcalloc(pcm_dev->dev, nr_chn,
sizeof(struct snd_kcontrol_new), GFP_KERNEL);
if (!pcmdev_controls)
return -ENOMEM;