Re: [PATCH v3 10/14] greybus: cpc: use holding queue instead of sending out immediately

[kernel test robot]

Hi Damien,

kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.19 next-20260212]
[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/Damien-Ri-gel/greybus-cpc-add-minimal-CPC-Host-Device-infrastructure/20260212-232259
base:   linus/master
patch link:    https://lore.kernel.org/r/20260212144352.93043-11-damien.riegel%40silabs.com
patch subject: [PATCH v3 10/14] greybus: cpc: use holding queue instead of sending out immediately
config: arm-randconfig-r133-20260213 (https://download.01.org/0day-ci/archive/20260213/202602131458.8YjgR17Z-lkp@xxxxxxxxx/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260213/202602131458.8YjgR17Z-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602131458.8YjgR17Z-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>, old ones prefixed by <<):

ERROR: modpost: "skb_put" [drivers/greybus/cpc/gb-cpc.ko] undefined!
ERROR: modpost: "skb_queue_purge_reason" [drivers/greybus/cpc/gb-cpc.ko] undefined!
ERROR: modpost: "__alloc_skb" [drivers/greybus/cpc/gb-cpc.ko] undefined!
ERROR: modpost: "skb_pull" [drivers/greybus/cpc/gb-cpc.ko] undefined!
ERROR: modpost: "sk_skb_reason_drop" [drivers/greybus/cpc/gb-cpc.ko] undefined!
ERROR: modpost: "skb_push" [drivers/greybus/cpc/gb-cpc.ko] undefined!
>> ERROR: modpost: "skb_unlink" [drivers/greybus/cpc/gb-cpc.ko] undefined!

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki