linux-kernel - Re: [PATCH v5 3/5] PCI: qcom: Add Qualcomm PCIe controller driver

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Date:	Sun, 20 Dec 2015 15:10:49 -0800
From:	Bjorn Andersson <bjorn@...o.se>
To:	kbuild test robot <lkp@...el.com>
Cc:	Stanimir Varbanov <stanimir.varbanov@...aro.org>,
	kbuild-all@...org, linux-arm-msm <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	linux-pci@...r.kernel.org, Bjorn Helgaas <bhelgaas@...gle.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Jingoo Han <jingoohan1@...il.com>,
	Pratyush Anand <pratyush.anand@...il.com>,
	Bjorn Andersson <bjorn.andersson@...ymobile.com>,
	Stanimir Varbanov <svarbanov@...sol.com>
Subject: Re: [PATCH v5 3/5] PCI: qcom: Add Qualcomm PCIe controller driver

On Fri, Dec 18, 2015 at 5:44 AM, kbuild test robot <lkp@...el.com> wrote:
> Hi Stanimir,
>
> [auto build test WARNING on next-20151218]
> [also build test WARNING on v4.4-rc5]
> [cannot apply to pci/next robh/for-next v4.4-rc5 v4.4-rc4 v4.4-rc3]
>
> url:    https://github.com/0day-ci/linux/commits/Stanimir-Varbanov/Qualcomm-PCIe-driver-and-designware-fixes/20151218-205427
>
>
> coccinelle warnings: (new ones prefixed by >>)
>
>>> drivers/pci/host/pcie-qcom.c:188:1-3: WARNING: PTR_ERR_OR_ZERO can be used
>    drivers/pci/host/pcie-qcom.c:220:1-3: WARNING: PTR_ERR_OR_ZERO can be used
>
> Please review and possibly fold the followup patch.
>

I disagree with this "recommendation" as it's only outcome will be asymmetry.

I think this script should be changed to only warn if there's a single
IS_ERR/PTR_ERR at the end of the function, not if there's a list of
them and this would replace the last one.

Regards,
Bjorn
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