[linux-next:master 8852/10007] drivers/net/mhi/net.c:385:23: sparse: sparse: symbol 'mhi_wwan_ops' 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/next/linux-next.git master
head:   19ae1f2bd9c091059f80646604ccef8a1e614f57
commit: 13adac032982c61bb590669e8e87e51558917ca1 [8852/10007] net: mhi_net: Register wwan_ops for link creation
config: x86_64-randconfig-s021-20210615 (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/next/linux-next.git/commit/?id=13adac032982c61bb590669e8e87e51558917ca1
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 13adac032982c61bb590669e8e87e51558917ca1
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 

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/net/mhi/net.c:385:23: sparse: sparse: symbol 'mhi_wwan_ops' 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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