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Message-ID: <09887257-491f-8f9c-58bb-ae6a361f856f@linaro.org>
Date: Tue, 24 Jan 2017 09:26:37 +0800
From: Hanjun Guo <hanjun.guo@...aro.org>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>,
lorenzo.pieralisi@....com, sudeep.holla@....com
Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ACPI/IORT: Fix error handling
Hi Christophe,
On 2017/1/24 4:50, Christophe JAILLET wrote:
> If 'platform_device_alloc()' returns NULL, the current code returns
> 0, which means success. Return -ENOMEM instead.
>
> Fixes: 846f0e9e74a0 ("ACPI/IORT: Add support for ARM SMMU platform devices creation")
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
> ---
> drivers/acpi/arm64/iort.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
> index e0d2e6e6e40c..655407ad112e 100644
> --- a/drivers/acpi/arm64/iort.c
> +++ b/drivers/acpi/arm64/iort.c
> @@ -828,7 +828,7 @@ static int __init iort_add_smmu_platform_device(struct acpi_iort_node *node)
>
> pdev = platform_device_alloc(ops->name, PLATFORM_DEVID_AUTO);
> if (!pdev)
> - return PTR_ERR(pdev);
> + return -ENOMEM;
>
> count = ops->iommu_count_resources(node);
Thanks for the fix, but Dan beats you to this fix [1] :)
[1]: http://www.spinics.net/lists/linux-acpi/msg71383.html
Thanks
Hanjun
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