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From: Markus Elfring <Markus.Elfring@web.de>
To: Yu Kuai <yukuai3@huawei.com>,
	iommu@lists.linux-foundation.org,
	linux-arm-kernel@lists.infradead.org,
	linux-arm-msm@vger.kernel.org
Cc: Yi Zhang <yi.zhang@huawei.com>,
	kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org,
	Will Deacon <will@kernel.org>
Subject: Re: [PATCH] iommu/qcom: add missing put_device() call in qcom_iommu_of_xlate()
Date: Fri, 18 Sep 2020 17:17:09 +0200	[thread overview]
Message-ID: <c68bed0d-3ddc-c8d4-2345-9edff917522b@web.de> (raw)

…
> +++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c
> @@ -595,6 +597,7 @@ static int qcom_iommu_of_xlate(struct device *dev, struct of_phandle_args *args)
>  		 * banks are ok, but multiple devices are not:
>  		 */
>  		if (WARN_ON(qcom_iommu != dev_iommu_priv_get(dev)))
> +			put_device(&iommu_pdev->dev);
>  			return -EINVAL;
>  	}

* Would there be a need to use curly brackets for such an if branch?

* I suggest to add a jump target so that a bit of common exception handling code
  can be better reused for this function implementation.

Regards,
Markus
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             reply	other threads:[~2020-09-18 15:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-18 15:17 Markus Elfring [this message]
  -- strict thread matches above, loose matches on Subject: below --
2020-09-18  1:13 [PATCH] iommu/qcom: add missing put_device() call in qcom_iommu_of_xlate() Yu Kuai
2020-09-21 17:50 ` Will Deacon
2020-09-21 18:27   ` Rob Clark
2020-09-21 18:33     ` Rob Clark
2020-09-21 19:13 ` kernel test robot
2020-09-21 20:45   ` Will Deacon
2020-09-28 23:08     ` Will Deacon
2020-09-29  1:37       ` yukuai (C)
2020-09-23  4:32 ` kernel test robot

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