[linux-platform-drivers-x86:review-hans 40/42] drivers/platform/x86/firmware_attributes_class.c:11:5: sparse: sparse: symbol 'fw_attr_inuse' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git review-hans
head:   7fac4861a9747efe442a9c4b20cec4133b9ceb0d
commit: d97de653d18f689d590021599c79d34b646b594a [40/42] platform/x86: dell-wmi-sysman: Use firmware_attributes_class helper
config: i386-randconfig-s002-20210603 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?id=d97de653d18f689d590021599c79d34b646b594a
        git remote add linux-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
        git fetch --no-tags linux-platform-drivers-x86 review-hans
        git checkout d97de653d18f689d590021599c79d34b646b594a
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)
>> drivers/platform/x86/firmware_attributes_class.c:11:5: sparse: sparse: symbol 'fw_attr_inuse' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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