From: Maxime Ripard <maxime@cerno.tech>
To: Yu Kuai <yukuai3@huawei.com>
Cc: yi.zhang@huawei.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, wens@csie.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] iommu/sun50i: check return value of of_find_device_by_node() in sun50i_iommu_of_xlate()
Date: Thu, 29 Oct 2020 10:25:16 +0100 [thread overview]
Message-ID: <20201029092516.rhhajxzzkwsyvtt5@gilmour.lan> (raw)
In-Reply-To: <20201029092244.900564-1-yukuai3@huawei.com>
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On Thu, Oct 29, 2020 at 05:22:44PM +0800, Yu Kuai wrote:
> If of_find_device_by_node() failed in sun50i_iommu_of_xlate(), null
> pointer dereference will be triggered. Thus return error code if
> of_find_device_by_node() failed.
>
> Fixes: 4100b8c229b3("iommu: Add Allwinner H6 IOMMU driver")
> Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Thanks!
Maxime
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next prev parent reply other threads:[~2020-10-29 9:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-29 9:22 [PATCH] iommu/sun50i: check return value of of_find_device_by_node() in sun50i_iommu_of_xlate() Yu Kuai
2020-10-29 9:25 ` Maxime Ripard [this message]
2020-10-29 10:21 ` Robin Murphy
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