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ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe'

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If this memory allocation fail, we must disable what has been enabled.
Do not return immediately but go thrue the error handling path instead.

Also use 'devm_kmemdup' instead of 'devm_kzalloc+memcpy' to simplify code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Christophe Jaillet 2017-06-15 07:53:11 +02:00 committed by Mark Brown
parent ec2212c4af
commit c3a3d3c41b
1 changed files with 5 additions and 4 deletions
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9
sound/soc/rockchip/rockchip_i2s.c
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@ -641,12 +641,13 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
goto err_pm_disable; goto err_pm_disable;
} }
soc_dai = devm_kzalloc(&pdev->dev, soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai
sizeof(*soc_dai), GFP_KERNEL); sizeof(*soc_dai), GFP_KERNEL);
if (!soc_dai) if (!soc_dai) {
return -ENOMEM; err = -ENOMEM;
goto err_pm_disable;
}
memcpy(soc_dai, &rockchip_i2s_dai, sizeof(*soc_dai));
if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) { if (!of_property_read_u32(node, "rockchip,playback-channels", &val)) {
if (val >= 2 && val <= 8) if (val >= 2 && val <= 8)
soc_dai->playback.channels_max = val; soc_dai->playback.channels_max = val;