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Date:   Tue, 19 May 2020 11:19:07 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Wei Yongjun <weiyongjun1@...wei.com>
Cc:     Joerg Roedel <joro@...tes.org>, Chen-Yu Tsai <wens@...e.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH -next] iommu/sun50i: Fix return value check in
 sun50i_iommu_probe()

On Tue, May 19, 2020 at 09:18:57AM +0000, Wei Yongjun wrote:
> In case of error, the function devm_platform_ioremap_resource() returns
> ERR_PTR() not NULL. The NULL test in the return value check must be
> replaced with IS_ERR().
> 
> Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>

Acked-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime

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