linux-kernel - Re: [PATCH v6 2/2] PCI: amlogic: Add the Amlogic Meson PCIe controller driver

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Message-ID: <20181129090340.GO3073@unbuntlaptop>
Date:   Thu, 29 Nov 2018 12:03:40 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     kbuild@...org, Hanjie Lin <hanjie.lin@...ogic.com>
Cc:     kbuild-all@...org, Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Yue Wang <yue.wang@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        Jerome Brunet <jbrunet@...libre.com>,
        Rob Herring <robh@...nel.org>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Shawn Lin <shawn.lin@...k-chips.com>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Cyrille Pitchen <cyrille.pitchen@...e-electrons.com>,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org,
        Yixun Lan <yixun.lan@...ogic.com>,
        Liang Yang <liang.yang@...ogic.com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        Qiufang Dai <qiufang.dai@...ogic.com>,
        Jian Hu <jian.hu@...ogic.com>
Subject: Re: [PATCH v6 2/2] PCI: amlogic: Add the Amlogic Meson PCIe
 controller driver

Hi Yue,

url:    https://github.com/0day-ci/linux/commits/Hanjie-Lin/dt-bindings-PCI-meson-add-DT-bindings-for-Amlogic-Meson-PCIe-controller/20181122-225955
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next

smatch warnings:
drivers/pci/controller/dwc/pci-meson.c:171 meson_pcie_get_mem_shared() error: passing non negative 6 to ERR_PTR

# https://github.com/0day-ci/linux/commit/c882cdc75e49b6de65cd3d95ebf688272af6b5f9
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout c882cdc75e49b6de65cd3d95ebf688272af6b5f9
vim +171 drivers/pci/controller/dwc/pci-meson.c

c882cdc75 Yue Wang 2018-11-22  160  
c882cdc75 Yue Wang 2018-11-22  161  static void __iomem *meson_pcie_get_mem_shared(struct platform_device *pdev,
c882cdc75 Yue Wang 2018-11-22  162  					       struct meson_pcie *mp,
c882cdc75 Yue Wang 2018-11-22  163  					       const char *id)
c882cdc75 Yue Wang 2018-11-22  164  {
c882cdc75 Yue Wang 2018-11-22  165  	struct device *dev = mp->pci.dev;
c882cdc75 Yue Wang 2018-11-22  166  	struct resource *res;
c882cdc75 Yue Wang 2018-11-22  167  
c882cdc75 Yue Wang 2018-11-22  168  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, id);
c882cdc75 Yue Wang 2018-11-22  169  	if (!res) {
c882cdc75 Yue Wang 2018-11-22  170  		dev_err(dev, "No REG resource %s\n", id);
c882cdc75 Yue Wang 2018-11-22 @171  		return ERR_PTR(ENXIO);
                                                               ^^^^^
                                                               -ENXIO

c882cdc75 Yue Wang 2018-11-22  172  	}
c882cdc75 Yue Wang 2018-11-22  173  
c882cdc75 Yue Wang 2018-11-22  174  	return devm_ioremap(dev, res->start, resource_size(res));
c882cdc75 Yue Wang 2018-11-22  175  }
c882cdc75 Yue Wang 2018-11-22  176  

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