linux-kernel - Re: [PATCHv5 03/20] PCI: mobiveil: Correct the returned error number

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Message-ID: <20190703141715.GB26804@e121166-lin.cambridge.arm.com>
Date:   Wed, 3 Jul 2019 15:17:15 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     "Z.q. Hou" <zhiqiang.hou@....com>
Cc:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "l.subrahmanya@...iveil.co.in" <l.subrahmanya@...iveil.co.in>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Leo Li <leoyang.li@....com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "will.deacon@....com" <will.deacon@....com>,
        Mingkai Hu <mingkai.hu@....com>,
        "M.h. Lian" <minghuan.lian@....com>,
        Xiaowei Bao <xiaowei.bao@....com>
Subject: Re: [PATCHv5 03/20] PCI: mobiveil: Correct the returned error number

On Fri, Apr 12, 2019 at 08:35:30AM +0000, Z.q. Hou wrote:
> From: Hou Zhiqiang <Zhiqiang.Hou@....com>
> 
> This patch corrects the returned error number by convention,
> and removes an unnecessary error check.

Two distinct changes, two patches, please split and repost.

Lorenzo

> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
> Reviewed-by: Minghuan Lian <Minghuan.Lian@....com>
> Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@...iveil.co.in>
> ---
> V5:
>  - Corrected and retouched the subject and changelog.
> 
>  drivers/pci/controller/pcie-mobiveil.c | 8 +++-----
>  1 file changed, 3 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
> index b87471f08a40..563210e731d3 100644
> --- a/drivers/pci/controller/pcie-mobiveil.c
> +++ b/drivers/pci/controller/pcie-mobiveil.c
> @@ -819,7 +819,7 @@ static int mobiveil_pcie_init_irq_domain(struct mobiveil_pcie *pcie)
>  
>  	if (!pcie->intx_domain) {
>  		dev_err(dev, "Failed to get a INTx IRQ domain\n");
> -		return -ENODEV;
> +		return -ENOMEM;
>  	}
>  
>  	raw_spin_lock_init(&pcie->intx_mask_lock);
> @@ -845,11 +845,9 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
>  	/* allocate the PCIe port */
>  	bridge = devm_pci_alloc_host_bridge(dev, sizeof(*pcie));
>  	if (!bridge)
> -		return -ENODEV;
> +		return -ENOMEM;
>  
>  	pcie = pci_host_bridge_priv(bridge);
> -	if (!pcie)
> -		return -ENOMEM;
>  
>  	pcie->pdev = pdev;
>  
> @@ -866,7 +864,7 @@ static int mobiveil_pcie_probe(struct platform_device *pdev)
>  						    &pcie->resources, &iobase);
>  	if (ret) {
>  		dev_err(dev, "Getting bridge resources failed\n");
> -		return -ENOMEM;
> +		return ret;
>  	}
>  
>  	/*
> -- 
> 2.17.1
>