Re: [PATCH v1] add binder genl for txn report

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

Hi Li,

kernel test robot noticed the following build errors:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on staging/staging-next staging/staging-linus linus/master v6.11-rc3 next-20240814]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Li-Li/add-binder-genl-for-txn-report/20240814-150338
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/20240812211844.4107494-1-dualli%40chromium.org
patch subject: [PATCH v1] add binder genl for txn report
config: x86_64-buildonly-randconfig-002-20240814 (https://download.01.org/0day-ci/archive/20240815/202408150004.BAtK29zS-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240815/202408150004.BAtK29zS-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202408150004.BAtK29zS-lkp@intel.com/

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

>> drivers/android/binder_genl.c:20: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * The registered process that would receive binder reports.
   drivers/android/binder_genl.c:25: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
    * The policy to verify the type of the binder genl data
>> drivers/android/binder_genl.c:102: warning: cannot understand function prototype: 'struct genl_small_ops binder_genl_ops[] = '
>> drivers/android/binder_genl.c:114: warning: cannot understand function prototype: 'struct genl_family binder_gnl_family = '
--
   ld: drivers/android/binder_genl.o: in function `binder_genl_cmd_doit':
>> binder_genl.c:(.text+0x38): undefined reference to `__alloc_skb'
>> ld: binder_genl.c:(.text+0x61): undefined reference to `genlmsg_put'
>> ld: binder_genl.c:(.text+0x83): undefined reference to `nla_put'
>> ld: binder_genl.c:(.text+0xb7): undefined reference to `init_net'
>> ld: binder_genl.c:(.text+0xbc): undefined reference to `netlink_unicast'
>> ld: binder_genl.c:(.text+0x135): undefined reference to `skb_trim'
>> ld: binder_genl.c:(.text+0x144): undefined reference to `sk_skb_reason_drop'
   ld: binder_genl.c:(.text+0x195): undefined reference to `sk_skb_reason_drop'
   ld: drivers/android/binder_genl.o: in function `binder_genl_send_report':
   binder_genl.c:(.text+0x21c): undefined reference to `__alloc_skb'
   ld: binder_genl.c:(.text+0x248): undefined reference to `genlmsg_put'
   ld: binder_genl.c:(.text+0x267): undefined reference to `nla_put'
   ld: binder_genl.c:(.text+0x298): undefined reference to `init_net'
   ld: binder_genl.c:(.text+0x29d): undefined reference to `netlink_unicast'
   ld: binder_genl.c:(.text+0x304): undefined reference to `skb_trim'
   ld: binder_genl.c:(.text+0x313): undefined reference to `sk_skb_reason_drop'
   ld: binder_genl.c:(.text+0x34c): undefined reference to `sk_skb_reason_drop'
   ld: drivers/android/binder_genl.o: in function `binder_genl_init':
>> binder_genl.c:(.init.text+0x12): undefined reference to `genl_register_family'

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