linux-kernel - Re: [PATCH] PCI: exynos: simplify with PTR_ERR_OR

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Date:   Thu, 3 Sep 2020 20:29:34 +0800
From:   Wei Xu <xuwei5@...ilicon.com>
To:     <lorenzo.pieralisi@....com>, <bhelgaas@...gle.com>
CC:     <linuxarm@...wei.com>, <shameerali.kolothum.thodi@...wei.com>,
        <jonathan.cameron@...wei.com>, <john.garry@...wei.com>,
        <salil.mehta@...wei.com>, <shiju.jose@...wei.com>,
        <jinying@...ilicon.com>, <zhangyi.ac@...wei.com>,
        <liguozhu@...ilicon.com>, <tangkunshan@...wei.com>,
        <huangdaode@...ilicon.com>, Jingoo Han <jingoohan1@...il.com>,
        Rob Herring <robh@...nel.org>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        <linux-pci@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-samsung-soc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] PCI: exynos: simplify with PTR_ERR_OR_ZERO

Hi All,

Sorry for the noise and please ignore it.
I found these kind of changes have been sent and rejected before.

Best Regards,
Wei

On 2020/9/3 17:05, Wei Xu wrote:
> Use PTR_ERR_OR_ZERO to make the code a little bit simpler.
> This code was detected with the help of Coccinelle.
> 
> Signed-off-by: Wei Xu <xuwei5@...ilicon.com>
> ---
>  drivers/pci/controller/dwc/pci-exynos.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-exynos.c b/drivers/pci/controller/dwc/pci-exynos.c
> index 8d82c43..f59f027 100644
> --- a/drivers/pci/controller/dwc/pci-exynos.c
> +++ b/drivers/pci/controller/dwc/pci-exynos.c
> @@ -90,10 +90,7 @@ static int exynos5440_pcie_get_mem_resources(struct platform_device *pdev,
>  		return -ENOMEM;
>  
>  	ep->mem_res->elbi_base = devm_platform_ioremap_resource(pdev, 0);
> -	if (IS_ERR(ep->mem_res->elbi_base))
> -		return PTR_ERR(ep->mem_res->elbi_base);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(ep->mem_res->elbi_base);
>  }
>  
>  static int exynos5440_pcie_get_clk_resources(struct exynos_pcie *ep)
>