From: Wei Yongjun <weiyj_lk@163.com>
To: Andi Shyti <andi.shyti@samsung.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>,
Joerg Roedel <joro@8bytes.org>, Kukjin Kim <kgene@kernel.org>,
Wei Yongjun <yongjun_wei@trendmicro.com.cn>,
iommu@lists.linux-foundation.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH -next] iommu/exynos: Fix return value check in exynos_iommu_of_setup()
Date: Thu, 7 Jul 2016 10:50:35 +0800 [thread overview]
Message-ID: <6454b35e-790a-b603-92f4-66539839b6ad@163.com> (raw)
In-Reply-To: <20160707023443.GF23620@samsunx.samsung>
Hi,
> just a question,
>
>>> pdev = of_platform_device_create(np, NULL, platform_bus_type.dev_root);
>>> - if (IS_ERR(pdev))
>>> - return PTR_ERR(pdev);
>>> + if (!pdev)
>>> + return -ENOMEM;
>>>
>>> /*
>>> * use the first registered sysmmu device for performing
>>>
> is ENOMEM the right return value? of_platform_device_create()
> doesn't fail only in case of malloc failure.
>
> Shouldn't it be ENODEV instead, which might also mean with some
> imagination that there is no memory available for that device?
>
Your are right, I will change the error to -ENODEV and resend the patch.
Thanks,
Wei Yongjun
WARNING: multiple messages have this Message-ID (diff)
From: weiyj_lk@163.com (Wei Yongjun)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH -next] iommu/exynos: Fix return value check in exynos_iommu_of_setup()
Date: Thu, 7 Jul 2016 10:50:35 +0800 [thread overview]
Message-ID: <6454b35e-790a-b603-92f4-66539839b6ad@163.com> (raw)
In-Reply-To: <20160707023443.GF23620@samsunx.samsung>
Hi,
> just a question,
>
>>> pdev = of_platform_device_create(np, NULL, platform_bus_type.dev_root);
>>> - if (IS_ERR(pdev))
>>> - return PTR_ERR(pdev);
>>> + if (!pdev)
>>> + return -ENOMEM;
>>>
>>> /*
>>> * use the first registered sysmmu device for performing
>>>
> is ENOMEM the right return value? of_platform_device_create()
> doesn't fail only in case of malloc failure.
>
> Shouldn't it be ENODEV instead, which might also mean with some
> imagination that there is no memory available for that device?
>
Your are right, I will change the error to -ENODEV and resend the patch.
Thanks,
Wei Yongjun
next prev parent reply other threads:[~2016-07-07 2:51 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 12:15 [PATCH -next] iommu/exynos: Fix return value check in exynos_iommu_of_setup() weiyj_lk
2016-07-06 12:15 ` weiyj_lk at 163.com
2016-07-06 12:47 ` Dennis Chen
2016-07-06 12:47 ` Dennis Chen
2016-07-06 13:09 ` Krzysztof Kozlowski
2016-07-06 13:09 ` Krzysztof Kozlowski
2016-07-07 2:34 ` Andi Shyti
2016-07-07 2:34 ` Andi Shyti
2016-07-07 2:50 ` Wei Yongjun [this message]
2016-07-07 2:50 ` Wei Yongjun
2016-07-18 7:34 ` Marek Szyprowski
2016-07-18 7:34 ` Marek Szyprowski
[not found] ` <1467807354-26503-1-git-send-email-weiyj_lk-9Onoh4P/yGk@public.gmane.org>
2016-07-07 2:59 ` [PATCH -next v2] " weiyj_lk-9Onoh4P/yGk
2016-07-07 2:59 ` weiyj_lk at 163.com
2016-07-07 4:25 ` Andi Shyti
2016-07-07 4:25 ` Andi Shyti
[not found] ` <1467860372-6940-1-git-send-email-weiyj_lk-9Onoh4P/yGk@public.gmane.org>
2016-07-07 9:43 ` Krzysztof Kozlowski
2016-07-07 9:43 ` Krzysztof Kozlowski
2016-07-07 12:09 ` Wei Yongjun
2016-07-07 12:09 ` Wei Yongjun
2016-07-07 12:17 ` [PATCH -next v3] " weiyj_lk
2016-07-07 12:17 ` weiyj_lk at 163.com
2016-07-07 12:17 ` weiyj_lk-9Onoh4P/yGk
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