Re: [PATCH 3/6] ALSA: emu10k1: actually disassemble DSP instructions in /proc

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

Hi Oswald,

kernel test robot noticed the following build warnings:

[auto build test WARNING on tiwai-sound/for-next]
[also build test WARNING on tiwai-sound/for-linus linus/master v6.4-rc4 next-20230525]
[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/Oswald-Buddenhagen/ALSA-emu10k1-hide-absent-2nd-pointer-offset-register-set-from-proc/20230526-182102
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
patch link:    https://lore.kernel.org/r/20230526101659.437969-4-oswald.buddenhagen%40gmx.de
patch subject: [PATCH 3/6] ALSA: emu10k1: actually disassemble DSP instructions in /proc
config: x86_64-randconfig-s021-20230528 (https://download.01.org/0day-ci/archive/20230529/202305291658.Q6wZncPQ-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/13e0e28f29ed98ae73420158c2a879c4e32c694a
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Oswald-Buddenhagen/ALSA-emu10k1-hide-absent-2nd-pointer-offset-register-set-from-proc/20230526-182102
        git checkout 13e0e28f29ed98ae73420158c2a879c4e32c694a
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 olddefconfig
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash sound/pci/emu10k1/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305291658.Q6wZncPQ-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> sound/pci/emu10k1/emuproc.c:294:21: sparse: sparse: Using plain integer as NULL pointer
   sound/pci/emu10k1/emuproc.c:316:21: sparse: sparse: Using plain integer as NULL pointer

vim +294 sound/pci/emu10k1/emuproc.c

   282	
   283	static const struct emu10k1_reg_entry sblive_reg_entries[] = {
   284		{    0, 0x10, "FXBUS" },
   285		{ 0x10, 0x10, "EXTIN" },
   286		{ 0x20, 0x10, "EXTOUT" },
   287		{ 0x30, 0x10, "FXBUS2" },
   288		{ 0x40, 0x20, NULL },  // Constants
   289		{ 0x100, 0x100, "GPR" },
   290		{ 0x200, 0x80, "ITRAM_DATA" },
   291		{ 0x280, 0x20, "ETRAM_DATA" },
   292		{ 0x300, 0x80, "ITRAM_ADDR" },
   293		{ 0x380, 0x20, "ETRAM_ADDR" },
 > 294		{ 0x400, 0, 0 }
   295	};
   296	

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