linux-kernel - Re: [PATCH] dmaengine: tegra210-adma: Fix an error handling path in 'tegra_adma

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Message-ID: <899a62c8-b4fa-b1cc-6e3a-bbfb680e5d41@nvidia.com>
Date:   Mon, 18 May 2020 12:43:16 +0100
From:   Jon Hunter <jonathanh@...dia.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        <ldewangan@...dia.com>, <dan.j.williams@...el.com>,
        <vkoul@...nel.org>, <thierry.reding@...il.com>
CC:     <dmaengine@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] dmaengine: tegra210-adma: Fix an error handling path in
 'tegra_adma_probe()'


On 16/05/2020 22:42, Christophe JAILLET wrote:
> Commit b53611fb1ce9 ("dmaengine: tegra210-adma: Fix crash during probe")
> has moved some code in the probe function and reordered the error handling
> path accordingly.
> However, a goto has been missed.
> 
> Fix it and goto the right label if 'dma_async_device_register()' fails, so
> that all resources are released.
> 
> Fixes: b53611fb1ce9 ("dmaengine: tegra210-adma: Fix crash during probe")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
>  drivers/dma/tegra210-adma.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c
> index c4ce5dfb149b..db58d7e4f9fe 100644
> --- a/drivers/dma/tegra210-adma.c
> +++ b/drivers/dma/tegra210-adma.c
> @@ -900,7 +900,7 @@ static int tegra_adma_probe(struct platform_device *pdev)
>  	ret = dma_async_device_register(&tdma->dma_dev);
>  	if (ret < 0) {
>  		dev_err(&pdev->dev, "ADMA registration failed: %d\n", ret);
> -		goto irq_dispose;
> +		goto rpm_put;
>  	}
>  
>  	ret = of_dma_controller_register(pdev->dev.of_node,


Thanks for fixing this!

Reviewed-by: Jon Hunter <jonathanh@...dia.com>

Cheers
Jon

-- 
nvpublic