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X-CSE-ConnectionGUID: iXMvEfvWTlCLIk8S17cH/g== X-CSE-MsgGUID: tS+Fwg9FQwiYCKGsxovN6Q== X-IronPort-AV: E=McAfee;i="6800,10657,11739"; a="62931679" X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="62931679" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2026 07:44:23 -0700 X-CSE-ConnectionGUID: weFF9v8KQLSHqTc4p24Cpw== X-CSE-MsgGUID: V3q3bj2wTjuX+lIEG0X90A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="224615580" Received: from lkp-server01.sh.intel.com (HELO 3905d212be1b) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 24 Mar 2026 07:44:21 -0700 Received: from kbuild by 3905d212be1b with local (Exim 4.98.2) (envelope-from ) id 1w52zS-000000004iF-1nka; Tue, 24 Mar 2026 14:44:18 +0000 Date: Tue, 24 Mar 2026 22:43:47 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: sound/hda/codecs/generic.c:198 parse_user_hints() warn: assigning (-2) to unsigned variable 'spec->mixer_nid' Message-ID: <202603242209.Uk9YrhEH-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Takashi Iwai CC: Richard Fitzgerald Hi Takashi, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c369299895a591d96745d6492d4888259b004a9e commit: 6014e9021b28e634935c776c0271b5cbcabdc5d6 ALSA: hda: Move codec drivers into sound/hda/codecs directory date: 9 months ago :::::: branch date: 2 days ago :::::: commit date: 9 months ago config: openrisc-randconfig-r072-20260324 (https://download.01.org/0day-ci/archive/20260324/202603242209.Uk9YrhEH-lkp@intel.com/config) compiler: or1k-linux-gcc (GCC) 15.2.0 smatch: v0.5.0-9004-gb810ac53 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 | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202603242209.Uk9YrhEH-lkp@intel.com/ smatch warnings: sound/hda/codecs/generic.c:198 parse_user_hints() warn: assigning (-2) to unsigned variable 'spec->mixer_nid' vim +198 sound/hda/codecs/generic.c ^1da177e4c3f415 sound/pci/hda/hda_generic.c Linus Torvalds 2005-04-16 101 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 102 /* 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 103 * store user hints 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 104 */ 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 105 static void parse_user_hints(struct hda_codec *codec) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 106 { 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 107 struct hda_gen_spec *spec = codec->spec; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 108 int val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 109 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 110 val = snd_hda_get_bool_hint(codec, "jack_detect"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 111 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 112 codec->no_jack_detect = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 113 val = snd_hda_get_bool_hint(codec, "inv_jack_detect"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 114 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 115 codec->inv_jack_detect = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 116 val = snd_hda_get_bool_hint(codec, "trigger_sense"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 117 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 118 codec->no_trigger_sense = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 119 val = snd_hda_get_bool_hint(codec, "inv_eapd"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 120 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 121 codec->inv_eapd = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 122 val = snd_hda_get_bool_hint(codec, "pcm_format_first"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 123 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 124 codec->pcm_format_first = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 125 val = snd_hda_get_bool_hint(codec, "sticky_stream"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 126 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 127 codec->no_sticky_stream = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 128 val = snd_hda_get_bool_hint(codec, "spdif_status_reset"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 129 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 130 codec->spdif_status_reset = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 131 val = snd_hda_get_bool_hint(codec, "pin_amp_workaround"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 132 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 133 codec->pin_amp_workaround = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 134 val = snd_hda_get_bool_hint(codec, "single_adc_amp"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 135 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 136 codec->single_adc_amp = !!val; 967b1307b69b8ad sound/pci/hda/hda_generic.c Takashi Iwai 2015-03-20 137 val = snd_hda_get_bool_hint(codec, "power_save_node"); e6feb5d08509be1 sound/pci/hda/hda_generic.c Takashi Iwai 2015-03-16 138 if (val >= 0) 967b1307b69b8ad sound/pci/hda/hda_generic.c Takashi Iwai 2015-03-20 139 codec->power_save_node = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 140 f72706be354b35f sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-16 141 val = snd_hda_get_bool_hint(codec, "auto_mute"); f72706be354b35f sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-16 142 if (val >= 0) f72706be354b35f sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-16 143 spec->suppress_auto_mute = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 144 val = snd_hda_get_bool_hint(codec, "auto_mic"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 145 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 146 spec->suppress_auto_mic = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 147 val = snd_hda_get_bool_hint(codec, "line_in_auto_switch"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 148 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 149 spec->line_in_auto_switch = !!val; 7eebffd3f4328c6 sound/pci/hda/hda_generic.c Takashi Iwai 2013-06-24 150 val = snd_hda_get_bool_hint(codec, "auto_mute_via_amp"); 7eebffd3f4328c6 sound/pci/hda/hda_generic.c Takashi Iwai 2013-06-24 151 if (val >= 0) 7eebffd3f4328c6 sound/pci/hda/hda_generic.c Takashi Iwai 2013-06-24 152 spec->auto_mute_via_amp = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 153 val = snd_hda_get_bool_hint(codec, "need_dac_fix"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 154 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 155 spec->need_dac_fix = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 156 val = snd_hda_get_bool_hint(codec, "primary_hp"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 157 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 158 spec->no_primary_hp = !val; da96fb5b0185d27 sound/pci/hda/hda_generic.c Takashi Iwai 2013-07-29 159 val = snd_hda_get_bool_hint(codec, "multi_io"); da96fb5b0185d27 sound/pci/hda/hda_generic.c Takashi Iwai 2013-07-29 160 if (val >= 0) da96fb5b0185d27 sound/pci/hda/hda_generic.c Takashi Iwai 2013-07-29 161 spec->no_multi_io = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 162 val = snd_hda_get_bool_hint(codec, "multi_cap_vol"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 163 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 164 spec->multi_cap_vol = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 165 val = snd_hda_get_bool_hint(codec, "inv_dmic_split"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 166 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 167 spec->inv_dmic_split = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 168 val = snd_hda_get_bool_hint(codec, "indep_hp"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 169 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 170 spec->indep_hp = !!val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 171 val = snd_hda_get_bool_hint(codec, "add_stereo_mix_input"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 172 if (val >= 0) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 173 spec->add_stereo_mix_input = !!val; f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 174 /* the following two are just for compatibility */ 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 175 val = snd_hda_get_bool_hint(codec, "add_out_jack_modes"); 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 176 if (val >= 0) f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 177 spec->add_jack_modes = !!val; 29476558deb3017 sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-17 178 val = snd_hda_get_bool_hint(codec, "add_in_jack_modes"); 29476558deb3017 sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-17 179 if (val >= 0) f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 180 spec->add_jack_modes = !!val; f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 181 val = snd_hda_get_bool_hint(codec, "add_jack_modes"); f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 182 if (val >= 0) f811c3cf8fae63e sound/pci/hda/hda_generic.c Takashi Iwai 2013-03-07 183 spec->add_jack_modes = !!val; 55196fffc951059 sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-24 184 val = snd_hda_get_bool_hint(codec, "power_down_unused"); 55196fffc951059 sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-24 185 if (val >= 0) 55196fffc951059 sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-24 186 spec->power_down_unused = !!val; 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 187 val = snd_hda_get_bool_hint(codec, "add_hp_mic"); 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 188 if (val >= 0) 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 189 spec->hp_mic = !!val; 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 190 val = snd_hda_get_bool_hint(codec, "hp_mic_detect"); 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 191 if (val >= 0) 967303dabc22335 sound/pci/hda/hda_generic.c Takashi Iwai 2013-02-19 192 spec->suppress_hp_mic_detect = !val; 7480316c265c9fc sound/pci/hda/hda_generic.c Takashi Iwai 2017-04-10 193 val = snd_hda_get_bool_hint(codec, "vmaster"); 7480316c265c9fc sound/pci/hda/hda_generic.c Takashi Iwai 2017-04-10 194 if (val >= 0) 7480316c265c9fc sound/pci/hda/hda_generic.c Takashi Iwai 2017-04-10 195 spec->suppress_vmaster = !val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 196 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 197 if (!snd_hda_get_int_hint(codec, "mixer_nid", &val)) 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 @198 spec->mixer_nid = val; 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 199 } 1c70a583417e8db sound/pci/hda/hda_generic.c Takashi Iwai 2013-01-11 200 :::::: The code at line 198 was first introduced by commit :::::: 1c70a583417e8db1e1d5069d7651ba294e9499de ALSA: hda - Allow user to give hints for codec parser behavior :::::: TO: Takashi Iwai :::::: CC: Takashi Iwai -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki