linux-kernel - Re: Applied "ASoC: rockchip: Fix an error handling in 'rockchip_i2s

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Message-ID: <77af69fd-3135-36d6-385b-82d044c32f44@wanadoo.fr>
Date:   Thu, 15 Jun 2017 19:32:53 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     linux-kernel@...r.kernel.org
Cc:     alsa-devel@...a-project.org, kernel-janitors@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org
Subject: Re: Applied "ASoC: rockchip: Fix an error handling in
 'rockchip_i2s_probe'" to the asoc tree

Le 15/06/2017 à 19:20, Mark Brown a écrit :
> The patch
>
>     ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe'
>
> has been applied to the asoc tree at
>
>     git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
>
> All being well this means that it will be integrated into the linux-next
> tree (usually sometime in the next 24 hours) and sent to Linus during
> the next merge window (or sooner if it is a bug fix), however if
> problems are discovered then the patch may be dropped or reverted.
>
> You may get further e-mails resulting from automated or manual testing
> and review of the tree, please engage with people reporting problems and
> send followup patches addressing any issues that are reported if needed.
>
> If any updates are required or you are submitting further changes they
> should be sent as incremental updates against current git, existing
> patches will not be replaced.
>
> Please add any relevant lists and maintainers to the CCs when replying
> to this mail.
>
> Thanks,
> Mark
>
>  From c3a3d3c41b74b05267bab6173f2a8224a1443ba6 Mon Sep 17 00:00:00 2001
> From: Christophe Jaillet <christophe.jaillet@...adoo.fr>
> Date: Thu, 15 Jun 2017 07:53:11 +0200
> Subject: [PATCH] ASoC: rockchip: Fix an error handling in 'rockchip_i2s_probe'
>
> 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@...adoo.fr>
> Signed-off-by: Mark Brown <broonie@...nel.org>
> ---
>   sound/soc/rockchip/rockchip_i2s.c | 9 +++++----
>   1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
> index 66a26c56c658..ce09dee2202e 100644
> --- a/sound/soc/rockchip/rockchip_i2s.c
> +++ b/sound/soc/rockchip/rockchip_i2s.c
> @@ -641,12 +641,13 @@ static int rockchip_i2s_probe(struct platform_device *pdev)
>   			goto err_pm_disable;
>   	}
>   
> -	soc_dai = devm_kzalloc(&pdev->dev,
> +	soc_dai = devm_kmemdup(&pdev->dev, &rockchip_i2s_dai
>   			       sizeof(*soc_dai), GFP_KERNEL);
> -	if (!soc_dai)
> -		return -ENOMEM;
> +	if (!soc_dai) {
> +		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 (val >= 2 && val <= 8)
>   			soc_dai->playback.channels_max = val;

Thanks for taking the patch, but there is a typo in it. A comma is 
missing as spotted by the kbuild test robot.

I hope that you have seen it and fixed it before applying.

All my patches are normally compile tested. I don't know what has gone 
wrong for this one. I apologize for the issue.

CJ