linux-kernel - Re: hostaudio_kern.c:undefined reference to `unregister_sound

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Date:   Fri, 11 Aug 2023 22:00:49 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>,
        Johannes Berg <johannes.berg@...el.com>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Richard Weinberger <richard@....at>
Subject: Re: hostaudio_kern.c:undefined reference to `unregister_sound_mixer'

Hi robot,

On 8/11/23 20:05, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   190bf7b14b0cf3df19c059061be032bd8994a597
> commit: 0bbadafdc49d11a1836e5946f517d18cceaea6c8 um: allow disabling NO_IOMEM
> date:   2 years, 2 months ago
> config: um-randconfig-r025-20230812 (https://download.01.org/0day-ci/archive/20230812/202308121029.peTEFwvG-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce: (https://download.01.org/0day-ci/archive/20230812/202308121029.peTEFwvG-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@...el.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202308121029.peTEFwvG-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
>    ld: warning: net/bpfilter/bpfilter_umh_blob.o: missing .note.GNU-stack section implies executable stack
>    ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
>    /usr/bin/ld: warning: net/bpfilter/bpfilter_umh_blob.o: missing .note.GNU-stack section implies executable stack
>    /usr/bin/ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker
>    /usr/bin/ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions
>    /usr/bin/ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_cleanup_module':
>>> hostaudio_kern.c:(.exit.text+0x1c): undefined reference to `unregister_sound_mixer'
>>> /usr/bin/ld: hostaudio_kern.c:(.exit.text+0x2b): undefined reference to `unregister_sound_dsp'
>    /usr/bin/ld: arch/um/drivers/hostaudio_kern.o: in function `hostaudio_init_module':
>>> hostaudio_kern.c:(.init.text+0xb1): undefined reference to `register_sound_dsp'
>>> /usr/bin/ld: hostaudio_kern.c:(.init.text+0x11f): undefined reference to `register_sound_mixer'
>>> /usr/bin/ld: hostaudio_kern.c:(.init.text+0x186): undefined reference to `unregister_sound_dsp'
>    collect2: error: ld returned 1 exit status
> 
> Kconfig warnings: (for reference only)
>    WARNING: unmet direct dependencies detected for LOCKDEP
>    Depends on [n]: DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y] && (FRAME_POINTER [=n] || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
>    Selected by [y]:
>    - DEBUG_LOCK_ALLOC [=y] && DEBUG_KERNEL [=y] && LOCK_DEBUGGING_SUPPORT [=y]
> 

Fix for this was sent on 2023 Aug 01:
  https://lore.kernel.org/all/20230802051500.13271-1-rdunlap@infradead.org/


-- 
~Randy