linux-kernel - Re: [PATCH v2 6/6] rpmsg: glink: Expose rpmsg name attr for glink

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Date:   Fri, 27 Apr 2018 08:10:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Chris Lew <clew@...eaurora.org>
Cc:     kbuild-all@...org, bjorn.andersson@...aro.org,
        andy.gross@...aro.org, david.brown@...aro.org, robh+dt@...nel.org,
        mark.rutland@....com, aneela@...eaurora.org,
        linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, clew@...eaurora.org
Subject: Re: [PATCH v2 6/6] rpmsg: glink: Expose rpmsg name attr for glink

Hi Chris,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on v4.17-rc2 next-20180426]
[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/Chris-Lew/Add-chrdev-and-name-query-support-for-GLINK/20180427-023202
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-randconfig-b0-04270034 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/linux/kobject.h:20:0,
                    from include/linux/irqdesc.h:6,
                    from include/linux/irq.h:517,
                    from arch/x86/include/asm/hardirq.h:6,
                    from include/linux/hardirq.h:9,
                    from include/linux/interrupt.h:11,
                    from drivers/rpmsg/qcom_glink_native.c:15:
>> include/linux/sysfs.h:153:21: warning: initialization from incompatible pointer type
    static const struct attribute_group _name##_group = {  \
                        ^
>> drivers/rpmsg/qcom_glink_native.c:1569:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
    ATTRIBUTE_GROUPS(qcom_glink);
    ^
   include/linux/sysfs.h:153:21: warning: (near initialization for 'qcom_glink_group.attrs')
    static const struct attribute_group _name##_group = {  \
                        ^
>> drivers/rpmsg/qcom_glink_native.c:1569:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
    ATTRIBUTE_GROUPS(qcom_glink);
    ^
--
   In file included from include/linux/kobject.h:20:0,
                    from include/linux/irqdesc.h:6,
                    from include/linux/irq.h:517,
                    from arch/x86/include/asm/hardirq.h:6,
                    from include/linux/hardirq.h:9,
                    from include/linux/interrupt.h:11,
                    from drivers//rpmsg/qcom_glink_native.c:15:
>> include/linux/sysfs.h:153:21: warning: initialization from incompatible pointer type
    static const struct attribute_group _name##_group = {  \
                        ^
   drivers//rpmsg/qcom_glink_native.c:1569:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
    ATTRIBUTE_GROUPS(qcom_glink);
    ^
   include/linux/sysfs.h:153:21: warning: (near initialization for 'qcom_glink_group.attrs')
    static const struct attribute_group _name##_group = {  \
                        ^
   drivers//rpmsg/qcom_glink_native.c:1569:1: note: in expansion of macro 'ATTRIBUTE_GROUPS'
    ATTRIBUTE_GROUPS(qcom_glink);
    ^

vim +/ATTRIBUTE_GROUPS +1569 drivers/rpmsg/qcom_glink_native.c

  1564	
  1565	static const struct attribute *qcom_glink_attrs[] = {
  1566		&dev_attr_rpmsg_name.attr,
  1567		NULL
  1568	};
> 1569	ATTRIBUTE_GROUPS(qcom_glink);
  1570	

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