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Date:   Tue, 18 Sep 2018 15:21:22 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To:     kbuild test robot <fengguang.wu@intel.com>,
        Xiaowei Song <songxiaowei@hisilicon.com>,
        Binghui Wang <wangbinghui@hisilicon.com>
Cc:     Shawn Lin <shawn.lin@rock-chips.com>, kbuild-all@01.org,
        linux-kernel@vger.kernel.org, Bjorn Helgaas <helgaas@kernel.org>
Subject: Re: [PATCH] PCI: fix ptr_ret.cocci warnings
Message-ID: <20180918142122.GB32243@e107981-ln.cambridge.arm.com>
References: <201807200739.O5DHU6D3%fengguang.wu@intel.com>
 <20180719234243.GA4239@athens>
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On Fri, Jul 20, 2018 at 07:42:43AM +0800, kbuild test robot wrote:
> From: kbuild test robot <fengguang.wu@intel.com>
> 
> drivers/pci/controller/dwc/pcie-kirin.c:141:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> drivers/pci/controller/dwc/pcie-kirin.c:177:1-3: WARNING: PTR_ERR_OR_ZERO can be used
> 
> 
>  Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR
> 
> Generated by: scripts/coccinelle/api/ptr_ret.cocci
> 
> Fixes: 6e0832fa432e ("PCI: Collect all native drivers under drivers/pci/controller/")
> CC: Shawn Lin <shawn.lin@rock-chips.com>
> Signed-off-by: kbuild test robot <fengguang.wu@intel.com>
> ---
> 
>  pcie-kirin.c |   10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)

Xiaowei, Binghui,

are you OK with this change ? I will remove the Fixes: tag from the
patch.

Let me know, thanks.

Lorenzo

> --- a/drivers/pci/controller/dwc/pcie-kirin.c
> +++ b/drivers/pci/controller/dwc/pcie-kirin.c
> @@ -138,10 +138,7 @@ static long kirin_pcie_get_clk(struct ki
>  		return PTR_ERR(kirin_pcie->apb_sys_clk);
>  
>  	kirin_pcie->pcie_aclk = devm_clk_get(dev, "pcie_aclk");
> -	if (IS_ERR(kirin_pcie->pcie_aclk))
> -		return PTR_ERR(kirin_pcie->pcie_aclk);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(kirin_pcie->pcie_aclk);
>  }
>  
>  static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie,
> @@ -174,10 +171,7 @@ static long kirin_pcie_get_resource(stru
>  
>  	kirin_pcie->sysctrl =
>  		syscon_regmap_lookup_by_compatible("hisilicon,hi3660-sctrl");
> -	if (IS_ERR(kirin_pcie->sysctrl))
> -		return PTR_ERR(kirin_pcie->sysctrl);
> -
> -	return 0;
> +	return PTR_ERR_OR_ZERO(kirin_pcie->sysctrl);
>  }
>  
>  static int kirin_pcie_phy_init(struct kirin_pcie *kirin_pcie)