tree: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git test/snd_ctl_remove-lock-fix head: 6dd4ae925ae5b90ccfbcb11dce06fd505cc18bc8 commit: 812cf704dac9f2f275d7bc53818fcccde62dcef8 [34/38] staging: greybus: Avoid abusing controls_rwsem config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230705/202307050117.pUc9sZub-lkp@i...) compiler: alpha-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230705/202307050117.pUc9sZub-lkp@i...)

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@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202307050117.pUc9sZub-lkp@intel.com/

All warnings (new ones prefixed by >>):

drivers/staging/greybus/audio_codec.c: In function 'gbaudio_register_module':

...

drivers/staging/greybus/audio_codec.c:810:26: warning: variable 'card' set but not used [-Wunused-but-set-variable]

810 | struct snd_card *card; | ^~~~ drivers/staging/greybus/audio_codec.c: In function 'gbaudio_unregister_module': drivers/staging/greybus/audio_codec.c:938:26: warning: unused variable 'card' [-Wunused-variable] 938 | struct snd_card *card = comp->card->snd_card; | ^~~~

vim +/card +810 drivers/staging/greybus/audio_codec.c

64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 805 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 806 int gbaudio_register_module(struct gbaudio_module_info *module) d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 807 { 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 808 int ret; ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 809 struct snd_soc_component *comp; 2b8c2b51000e3d drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-04-21 @810 struct snd_card *card; ac40b4d1e40997 drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 811 struct gbaudio_jack *jack = NULL; d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 812 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 813 if (!gbcodec) { 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 814 dev_err(module->dev, "GB Codec not yet probed\n"); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 815 return -EAGAIN; d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 816 } d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 817 ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 818 comp = gbcodec->component; ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 819 card = comp->card->snd_card; 2b8c2b51000e3d drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-04-21 820 812cf704dac9f2 drivers/staging/greybus/audio_codec.c Takashi Iwai 2023-07-04 821 mutex_lock(&gbcodec->register_mutex); d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 822 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 823 if (module->num_dais) { 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 824 dev_err(gbcodec->dev, 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 825 "%d:DAIs not supported via gbcodec driver\n", 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 826 module->num_dais); 812cf704dac9f2 drivers/staging/greybus/audio_codec.c Takashi Iwai 2023-07-04 827 mutex_unlock(&gbcodec->register_mutex); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 828 return -EINVAL; d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 829 } d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 830 ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 831 ret = gbaudio_init_jack(module, comp->card); 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 832 if (ret) { 812cf704dac9f2 drivers/staging/greybus/audio_codec.c Takashi Iwai 2023-07-04 833 mutex_unlock(&gbcodec->register_mutex); 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 834 return ret; 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 835 } 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 836 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 837 if (module->dapm_widgets) ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 838 snd_soc_dapm_new_controls(&comp->dapm, module->dapm_widgets, 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 839 module->num_dapm_widgets); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 840 if (module->controls) ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 841 snd_soc_add_component_controls(comp, module->controls, 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 842 module->num_controls); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 843 if (module->dapm_routes) ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 844 snd_soc_dapm_add_routes(&comp->dapm, module->dapm_routes, 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 845 module->num_dapm_routes); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 846 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 847 /* card already instantiated, create widgets here only */ ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 848 if (comp->card->instantiated) { 620d28440c10b8 drivers/staging/greybus/audio_codec.c Deepak R Varma 2020-10-22 849 gbaudio_dapm_link_component_dai_widgets(comp->card, &comp->dapm); 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 850 #ifdef CONFIG_SND_JACK 461ab8077d573d drivers/staging/greybus/audio_codec.c Gioh Kim 2017-02-09 851 /* 461ab8077d573d drivers/staging/greybus/audio_codec.c Gioh Kim 2017-02-09 852 * register jack devices for this module 461ab8077d573d drivers/staging/greybus/audio_codec.c Gioh Kim 2017-02-09 853 * from codec->jack_list 461ab8077d573d drivers/staging/greybus/audio_codec.c Gioh Kim 2017-02-09 854 */ ac40b4d1e40997 drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 855 list_for_each_entry(jack, &module->jack_list, list) { ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 856 snd_device_register(comp->card->snd_card, ac40b4d1e40997 drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 857 jack->jack.jack); 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 858 } 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 859 #endif bb9986ef6b311f drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-05-04 860 } 64a7e2cceb75cc drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 861 c188fdc8176a8c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-05-04 862 mutex_lock(&gbcodec->lock); 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 863 list_add(&module->list, &gbcodec->module_list); c188fdc8176a8c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-05-04 864 mutex_unlock(&gbcodec->lock); c188fdc8176a8c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-05-04 865 ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 866 if (comp->card->instantiated) ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 867 ret = snd_soc_dapm_new_widgets(comp->card); ce7bd8325dc75c drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2020-07-09 868 dev_dbg(comp->dev, "Registered %s module\n", module->name); d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 869 812cf704dac9f2 drivers/staging/greybus/audio_codec.c Takashi Iwai 2023-07-04 870 mutex_unlock(&gbcodec->register_mutex); bb9986ef6b311f drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-05-04 871 return ret; d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 872 } 6dd67645f22cfe drivers/staging/greybus/audio_codec.c Vaibhav Agarwal 2016-03-29 873 EXPORT_SYMBOL(gbaudio_register_module); d3d2af51f9c2f2 drivers/staging/greybus/audio-codec.c Vaibhav Agarwal 2015-11-23 874

:::::: The code at line 810 was first introduced by commit :::::: 2b8c2b51000e3d056f9aa27a64b93feabddf77a4 greybus: audio: Changes in response to ASoC cleanup

:::::: TO: Vaibhav Agarwal vaibhav.agarwal@linaro.org :::::: CC: Greg Kroah-Hartman gregkh@google.com