linux-kernel - Re: [PATCH v6 2/4] resource: Use list

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Date:   Thu, 5 Jul 2018 01:00:30 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Baoquan He <bhe@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, robh+dt@...nel.org,
        dan.j.williams@...el.com, nicolas.pitre@...aro.org,
        josh@...htriplett.org, fengguang.wu@...el.com, bp@...e.de,
        andy.shevchenko@...il.com, brijesh.singh@....com,
        devicetree@...r.kernel.org, airlied@...ux.ie,
        linux-pci@...r.kernel.org, richard.weiyang@...il.com,
        keith.busch@...el.com, jcmvbkbc@...il.com,
        baiyaowei@...s.chinamobile.com, frowand.list@...il.com,
        lorenzo.pieralisi@....com, sthemmin@...rosoft.com,
        Baoquan He <bhe@...hat.com>, linux-nvdimm@...ts.01.org,
        patrik.r.jakobsson@...il.com, linux-input@...r.kernel.org,
        gustavo@...ovan.org, dyoung@...hat.com, vgoyal@...hat.com,
        thomas.lendacky@....com, haiyangz@...rosoft.com,
        maarten.lankhorst@...ux.intel.com, jglisse@...hat.com,
        seanpaul@...omium.org, bhelgaas@...gle.com, tglx@...utronix.de,
        yinghai@...nel.org, jonathan.derrick@...el.com, chris@...kel.net,
        monstr@...str.eu, linux-parisc@...r.kernel.org,
        gregkh@...uxfoundation.org, dmitry.torokhov@...il.com,
        kexec@...ts.infradead.org, ebiederm@...ssion.com,
        devel@...uxdriverproject.org, linuxppc-dev@...ts.ozlabs.org,
        davem@...emloft.net
Subject: Re: [PATCH v6 2/4] resource: Use list_head to link sibling resource

Hi Baoquan,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.18-rc3 next-20180704]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180704-121402
config: mips-rb532_defconfig (attached as .config)
compiler: mipsel-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.2.0 make.cross ARCH=mips 

All error/warnings (new ones prefixed by >>):

>> arch/mips/pci/pci-rc32434.c:57:11: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .child = &rc32434_res_pci_mem2
              ^
   arch/mips/pci/pci-rc32434.c:57:11: note: (near initialization for 'rc32434_res_pci_mem1.child.next')
>> arch/mips/pci/pci-rc32434.c:51:47: warning: missing braces around initializer [-Wmissing-braces]
    static struct resource rc32434_res_pci_mem1 = {
                                                  ^
   arch/mips/pci/pci-rc32434.c:60:47: warning: missing braces around initializer [-Wmissing-braces]
    static struct resource rc32434_res_pci_mem2 = {
                                                  ^
   cc1: some warnings being treated as errors

vim +57 arch/mips/pci/pci-rc32434.c

73b4390f Ralf Baechle 2008-07-16  50  
73b4390f Ralf Baechle 2008-07-16 @51  static struct resource rc32434_res_pci_mem1 = {
73b4390f Ralf Baechle 2008-07-16  52  	.name = "PCI MEM1",
73b4390f Ralf Baechle 2008-07-16  53  	.start = 0x50000000,
73b4390f Ralf Baechle 2008-07-16  54  	.end = 0x5FFFFFFF,
73b4390f Ralf Baechle 2008-07-16  55  	.flags = IORESOURCE_MEM,
73b4390f Ralf Baechle 2008-07-16  56  	.sibling = NULL,
73b4390f Ralf Baechle 2008-07-16 @57  	.child = &rc32434_res_pci_mem2
73b4390f Ralf Baechle 2008-07-16  58  };
73b4390f Ralf Baechle 2008-07-16  59  

:::::: The code at line 57 was first introduced by commit
:::::: 73b4390fb23456964201abda79f1210fe337d01a [MIPS] Routerboard 532: Support for base system

:::::: TO: Ralf Baechle <ralf@...ux-mips.org>
:::::: CC: Ralf Baechle <ralf@...ux-mips.org>

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