Re: [PATCH bpf-next v5 09/17] HID: bpf: allocate data memory for device_event BPF programs

[kernel test robot]

Hi Benjamin,

I love your patch! Yet something to improve:

[auto build test ERROR on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220519-050506
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220519/202205190720.TIuHyCp6-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/ce32a9c683e801ac875c4e4eece32778040ed5cc
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Benjamin-Tissoires/Introduce-eBPF-support-for-HID-devices/20220519-050506
        git checkout ce32a9c683e801ac875c4e4eece32778040ed5cc
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_destroy_device':
   hid-core.c:(.text+0x10c0): undefined reference to `hid_bpf_destroy_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_allocate_device':
   hid-core.c:(.text+0x15c6): undefined reference to `hid_bpf_device_init'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_input_report':
   hid-core.c:(.text+0x22f7): undefined reference to `dispatch_hid_bpf_device_event'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_connect':
>> hid-core.c:(.text+0x25da): undefined reference to `hid_bpf_connect_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_disconnect':
>> hid-core.c:(.text+0xca1): undefined reference to `hid_bpf_disconnect_device'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_exit':
   hid-core.c:(.exit.text+0x7): undefined reference to `hid_bpf_ops'
   /usr/bin/ld: drivers/hid/hid-core.o: in function `hid_init':
   hid-core.c:(.init.text+0x35): undefined reference to `hid_bpf_ops'
   collect2: error: ld returned 1 exit status

-- 
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