Re: [PATCH] ASoC: core: Make snd_soc_unregister_card() return void

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Hi "Uwe,

I love your patch! Yet something to improve:

[auto build test ERROR on f2906aa863381afb0015a9eb7fefad885d4e5a56]

url:    https://github.com/intel-lab-lkp/linux/commits/Uwe-Kleine-K-nig/ASoC-core-Make-snd_soc_unregister_card-return-void/20220621-230233
base:   f2906aa863381afb0015a9eb7fefad885d4e5a56
config: xtensa-randconfig-r003-20220620 (https://download.01.org/0day-ci/archive/20220622/202206221950.PW6xhJO1-lkp@xxxxxxxxx/config)
compiler: xtensa-linux-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/5a135ba83d6b991aae0eed01f26464524116abec
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Uwe-Kleine-K-nig/ASoC-core-Make-snd_soc_unregister_card-return-void/20220621-230233
        git checkout 5a135ba83d6b991aae0eed01f26464524116abec
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=xtensa SHELL=/bin/bash sound/soc/

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

All errors (new ones prefixed by >>):

   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_with_null_ops':
>> sound/soc/soc-topology-test.c:316:13: error: void value not ignored as it ought to be
     316 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_with_null_fw':
   sound/soc/soc-topology-test.c:380:13: error: void value not ignored as it ought to be
     380 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_empty_tplg':
   sound/soc/soc-topology-test.c:429:13: error: void value not ignored as it ought to be
     429 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_empty_tplg_bad_magic':
   sound/soc/soc-topology-test.c:485:13: error: void value not ignored as it ought to be
     485 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_empty_tplg_bad_abi':
   sound/soc/soc-topology-test.c:541:13: error: void value not ignored as it ought to be
     541 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_empty_tplg_bad_size':
   sound/soc/soc-topology-test.c:597:13: error: void value not ignored as it ought to be
     597 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_empty_tplg_bad_payload_size':
   sound/soc/soc-topology-test.c:656:13: error: void value not ignored as it ought to be
     656 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_pcm_tplg':
   sound/soc/soc-topology-test.c:705:13: error: void value not ignored as it ought to be
     705 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_pcm_tplg_reload_comp':
   sound/soc/soc-topology-test.c:758:13: error: void value not ignored as it ought to be
     758 |         ret = snd_soc_unregister_card(&kunit_comp->card);
         |             ^
   sound/soc/soc-topology-test.c: In function 'snd_soc_tplg_test_load_pcm_tplg_reload_card':
   sound/soc/soc-topology-test.c:807:21: error: void value not ignored as it ought to be
     807 |                 ret = snd_soc_unregister_card(&kunit_comp->card);
         |                     ^


vim +316 sound/soc/soc-topology-test.c

d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  280  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  281  /*
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  282   * NULL ops is default case, we pass empty topology (fw), so we don't have
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  283   * anything to parse and just do nothing, which results in return 0; from
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  284   * calling soc_tplg_dapm_complete in soc_tplg_process_headers
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  285   */
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  286  static void snd_soc_tplg_test_load_with_null_ops(struct kunit *test)
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  287  {
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  288  	struct kunit_soc_component *kunit_comp;
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  289  	int ret;
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  290  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  291  	/* prepare */
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  292  	kunit_comp = kunit_kzalloc(test, sizeof(*kunit_comp), GFP_KERNEL);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  293  	KUNIT_EXPECT_NOT_ERR_OR_NULL(test, kunit_comp);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  294  	kunit_comp->kunit = test;
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  295  	kunit_comp->expect = 0; /* expect success */
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  296  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  297  	kunit_comp->card.dev = test_dev,
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  298  	kunit_comp->card.name = "kunit-card",
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  299  	kunit_comp->card.owner = THIS_MODULE,
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  300  	kunit_comp->card.dai_link = kunit_dai_links,
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  301  	kunit_comp->card.num_links = ARRAY_SIZE(kunit_dai_links),
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  302  	kunit_comp->card.fully_routed = true,
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  303  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  304  	/* run test */
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  305  	ret = snd_soc_register_card(&kunit_comp->card);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  306  	if (ret != 0 && ret != -EPROBE_DEFER)
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  307  		KUNIT_FAIL(test, "Failed to register card");
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  308  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  309  	ret = snd_soc_component_initialize(&kunit_comp->comp, &test_component, test_dev);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  310  	KUNIT_EXPECT_EQ(test, 0, ret);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  311  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  312  	ret = snd_soc_add_component(&kunit_comp->comp, NULL, 0);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  313  	KUNIT_EXPECT_EQ(test, 0, ret);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  314  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  315  	/* cleanup */
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20 @316  	ret = snd_soc_unregister_card(&kunit_comp->card);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  317  	KUNIT_EXPECT_EQ(test, 0, ret);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  318  
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  319  	snd_soc_unregister_component(test_dev);
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  320  }
d52bbf747cfa8a2 Amadeusz Sławiński 2021-01-20  321  

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