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Date: Fri, 19 Aug 2022 12:41:37 +0800
From: kernel test robot <lkp@...el.com>
To: Cezary Rojewski <cezary.rojewski@...el.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: sound/pci/hda/hda_proc.c:774:13: warning: stack frame size (2448)
exceeds limit (2048) in 'print_codec_info'
Hi Cezary,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 4c2d0b039c5cc0112206a5b22431b577cb1c57ad
commit: b5df2a7dca1cc6c66eee0005c92094855dc2028c ASoC: codecs: Add HD-Audio codec driver
date: 2 months ago
config: mips-randconfig-r032-20220819 (https://download.01.org/0day-ci/archive/20220819/202208191249.8quRg0bN-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mips64el-linux-gnuabi64
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5df2a7dca1cc6c66eee0005c92094855dc2028c
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b5df2a7dca1cc6c66eee0005c92094855dc2028c
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash sound/pci/hda/
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> sound/pci/hda/hda_proc.c:774:13: warning: stack frame size (2448) exceeds limit (2048) in 'print_codec_info' [-Wframe-larger-than]
static void print_codec_info(struct snd_info_entry *entry,
^
1 warning generated.
vim +/print_codec_info +774 sound/pci/hda/hda_proc.c
7639a06c23c7d4 Takashi Iwai 2015-03-03 773
7639a06c23c7d4 Takashi Iwai 2015-03-03 @774 static void print_codec_info(struct snd_info_entry *entry,
7639a06c23c7d4 Takashi Iwai 2015-03-03 775 struct snd_info_buffer *buffer)
7639a06c23c7d4 Takashi Iwai 2015-03-03 776 {
7639a06c23c7d4 Takashi Iwai 2015-03-03 777 struct hda_codec *codec = entry->private_data;
7639a06c23c7d4 Takashi Iwai 2015-03-03 778 hda_nid_t nid, fg;
7639a06c23c7d4 Takashi Iwai 2015-03-03 779 int i, nodes;
e25c05f1d5cf4e Jonathan Phenix 2007-06-19 780
7639a06c23c7d4 Takashi Iwai 2015-03-03 781 print_codec_core_info(&codec->core, buffer);
7639a06c23c7d4 Takashi Iwai 2015-03-03 782 fg = codec->core.afg;
7639a06c23c7d4 Takashi Iwai 2015-03-03 783 if (!fg)
ec9e1c5c9c7350 Takashi Iwai 2005-09-07 784 return;
cb53c626e1145e Takashi Iwai 2007-08-10 785 snd_hda_power_up(codec);
b90d7760ea784f Takashi Iwai 2006-11-07 786 snd_iprintf(buffer, "Default PCM:\n");
7639a06c23c7d4 Takashi Iwai 2015-03-03 787 print_pcm_caps(buffer, codec, fg);
^1da177e4c3f41 Linus Torvalds 2005-04-16 788 snd_iprintf(buffer, "Default Amp-In caps: ");
7639a06c23c7d4 Takashi Iwai 2015-03-03 789 print_amp_caps(buffer, codec, fg, HDA_INPUT);
^1da177e4c3f41 Linus Torvalds 2005-04-16 790 snd_iprintf(buffer, "Default Amp-Out caps: ");
7639a06c23c7d4 Takashi Iwai 2015-03-03 791 print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
7639a06c23c7d4 Takashi Iwai 2015-03-03 792 snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
7639a06c23c7d4 Takashi Iwai 2015-03-03 793 print_power_state(buffer, codec, fg);
^1da177e4c3f41 Linus Torvalds 2005-04-16 794
7639a06c23c7d4 Takashi Iwai 2015-03-03 795 nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
^1da177e4c3f41 Linus Torvalds 2005-04-16 796 if (! nid || nodes < 0) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 797 snd_iprintf(buffer, "Invalid AFG subtree\n");
cb53c626e1145e Takashi Iwai 2007-08-10 798 snd_hda_power_down(codec);
^1da177e4c3f41 Linus Torvalds 2005-04-16 799 return;
^1da177e4c3f41 Linus Torvalds 2005-04-16 800 }
797760ab14db4e Andrew Paprocki 2008-01-18 801
7639a06c23c7d4 Takashi Iwai 2015-03-03 802 print_gpio(buffer, codec, fg);
2d34e1b3bb991a Takashi Iwai 2008-11-28 803 if (codec->proc_widget_hook)
7639a06c23c7d4 Takashi Iwai 2015-03-03 804 codec->proc_widget_hook(buffer, codec, fg);
797760ab14db4e Andrew Paprocki 2008-01-18 805
^1da177e4c3f41 Linus Torvalds 2005-04-16 806 for (i = 0; i < nodes; i++, nid++) {
d01ce99fc53271 Takashi Iwai 2007-07-27 807 unsigned int wid_caps =
9ba17b4d132f56 Takashi Iwai 2015-03-03 808 param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
a22d543a95e82e Takashi Iwai 2009-07-27 809 unsigned int wid_type = get_wcaps_type(wid_caps);
4eea30914facd2 Takashi Iwai 2013-02-07 810 hda_nid_t *conn = NULL;
797760ab14db4e Andrew Paprocki 2008-01-18 811 int conn_len = 0;
3e289f16ec2e08 Takashi Iwai 2005-06-10 812
^1da177e4c3f41 Linus Torvalds 2005-04-16 813 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
^1da177e4c3f41 Linus Torvalds 2005-04-16 814 get_wid_type_name(wid_type), wid_caps);
c4920606757224 Takashi Iwai 2008-07-30 815 if (wid_caps & AC_WCAP_STEREO) {
fd72d008465d45 Wu Fengguang 2009-08-24 816 unsigned int chans = get_wcaps_channels(wid_caps);
c4920606757224 Takashi Iwai 2008-07-30 817 if (chans == 2)
^1da177e4c3f41 Linus Torvalds 2005-04-16 818 snd_iprintf(buffer, " Stereo");
^1da177e4c3f41 Linus Torvalds 2005-04-16 819 else
c4920606757224 Takashi Iwai 2008-07-30 820 snd_iprintf(buffer, " %d-Channels", chans);
c4920606757224 Takashi Iwai 2008-07-30 821 } else
^1da177e4c3f41 Linus Torvalds 2005-04-16 822 snd_iprintf(buffer, " Mono");
^1da177e4c3f41 Linus Torvalds 2005-04-16 823 if (wid_caps & AC_WCAP_DIGITAL)
^1da177e4c3f41 Linus Torvalds 2005-04-16 824 snd_iprintf(buffer, " Digital");
^1da177e4c3f41 Linus Torvalds 2005-04-16 825 if (wid_caps & AC_WCAP_IN_AMP)
^1da177e4c3f41 Linus Torvalds 2005-04-16 826 snd_iprintf(buffer, " Amp-In");
^1da177e4c3f41 Linus Torvalds 2005-04-16 827 if (wid_caps & AC_WCAP_OUT_AMP)
^1da177e4c3f41 Linus Torvalds 2005-04-16 828 snd_iprintf(buffer, " Amp-Out");
797760ab14db4e Andrew Paprocki 2008-01-18 829 if (wid_caps & AC_WCAP_STRIPE)
797760ab14db4e Andrew Paprocki 2008-01-18 830 snd_iprintf(buffer, " Stripe");
797760ab14db4e Andrew Paprocki 2008-01-18 831 if (wid_caps & AC_WCAP_LR_SWAP)
797760ab14db4e Andrew Paprocki 2008-01-18 832 snd_iprintf(buffer, " R/L");
c4920606757224 Takashi Iwai 2008-07-30 833 if (wid_caps & AC_WCAP_CP_CAPS)
c4920606757224 Takashi Iwai 2008-07-30 834 snd_iprintf(buffer, " CP");
^1da177e4c3f41 Linus Torvalds 2005-04-16 835 snd_iprintf(buffer, "\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 836
5b0cb1d850c268 Jaroslav Kysela 2009-12-08 837 print_nid_array(buffer, codec, nid, &codec->mixers);
5b0cb1d850c268 Jaroslav Kysela 2009-12-08 838 print_nid_array(buffer, codec, nid, &codec->nids);
3911a4c19e9277 Jaroslav Kysela 2009-11-11 839 print_nid_pcms(buffer, codec, nid);
3911a4c19e9277 Jaroslav Kysela 2009-11-11 840
e171613949e350 Takashi Iwai 2007-11-16 841 /* volume knob is a special widget that always have connection
e171613949e350 Takashi Iwai 2007-11-16 842 * list
e171613949e350 Takashi Iwai 2007-11-16 843 */
e171613949e350 Takashi Iwai 2007-11-16 844 if (wid_type == AC_WID_VOL_KNB)
e171613949e350 Takashi Iwai 2007-11-16 845 wid_caps |= AC_WCAP_CONN_LIST;
e171613949e350 Takashi Iwai 2007-11-16 846
4eea30914facd2 Takashi Iwai 2013-02-07 847 if (wid_caps & AC_WCAP_CONN_LIST) {
4eea30914facd2 Takashi Iwai 2013-02-07 848 conn_len = snd_hda_get_num_raw_conns(codec, nid);
4eea30914facd2 Takashi Iwai 2013-02-07 849 if (conn_len > 0) {
6da2ec56059c3c Kees Cook 2018-06-12 850 conn = kmalloc_array(conn_len,
6da2ec56059c3c Kees Cook 2018-06-12 851 sizeof(hda_nid_t),
4eea30914facd2 Takashi Iwai 2013-02-07 852 GFP_KERNEL);
4eea30914facd2 Takashi Iwai 2013-02-07 853 if (!conn)
4eea30914facd2 Takashi Iwai 2013-02-07 854 return;
4eea30914facd2 Takashi Iwai 2013-02-07 855 if (snd_hda_get_raw_connections(codec, nid, conn,
4eea30914facd2 Takashi Iwai 2013-02-07 856 conn_len) < 0)
4eea30914facd2 Takashi Iwai 2013-02-07 857 conn_len = 0;
4eea30914facd2 Takashi Iwai 2013-02-07 858 }
4eea30914facd2 Takashi Iwai 2013-02-07 859 }
3e289f16ec2e08 Takashi Iwai 2005-06-10 860
^1da177e4c3f41 Linus Torvalds 2005-04-16 861 if (wid_caps & AC_WCAP_IN_AMP) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 862 snd_iprintf(buffer, " Amp-In caps: ");
^1da177e4c3f41 Linus Torvalds 2005-04-16 863 print_amp_caps(buffer, codec, nid, HDA_INPUT);
^1da177e4c3f41 Linus Torvalds 2005-04-16 864 snd_iprintf(buffer, " Amp-In vals: ");
4f32456e5ed485 Michael Karcher 2012-04-06 865 if (wid_type == AC_WID_PIN ||
4f32456e5ed485 Michael Karcher 2012-04-06 866 (codec->single_adc_amp &&
4f32456e5ed485 Michael Karcher 2012-04-06 867 wid_type == AC_WID_AUD_IN))
^1da177e4c3f41 Linus Torvalds 2005-04-16 868 print_amp_vals(buffer, codec, nid, HDA_INPUT,
cc261738add939 Takashi Iwai 2015-03-16 869 wid_caps, 1);
4f32456e5ed485 Michael Karcher 2012-04-06 870 else
4f32456e5ed485 Michael Karcher 2012-04-06 871 print_amp_vals(buffer, codec, nid, HDA_INPUT,
cc261738add939 Takashi Iwai 2015-03-16 872 wid_caps, conn_len);
^1da177e4c3f41 Linus Torvalds 2005-04-16 873 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 874 if (wid_caps & AC_WCAP_OUT_AMP) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 875 snd_iprintf(buffer, " Amp-Out caps: ");
^1da177e4c3f41 Linus Torvalds 2005-04-16 876 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
^1da177e4c3f41 Linus Torvalds 2005-04-16 877 snd_iprintf(buffer, " Amp-Out vals: ");
9421f9543b3a0a Takashi Iwai 2009-03-12 878 if (wid_type == AC_WID_PIN &&
9421f9543b3a0a Takashi Iwai 2009-03-12 879 codec->pin_amp_workaround)
9421f9543b3a0a Takashi Iwai 2009-03-12 880 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
cc261738add939 Takashi Iwai 2015-03-16 881 wid_caps, conn_len);
9421f9543b3a0a Takashi Iwai 2009-03-12 882 else
^1da177e4c3f41 Linus Torvalds 2005-04-16 883 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
cc261738add939 Takashi Iwai 2015-03-16 884 wid_caps, 1);
^1da177e4c3f41 Linus Torvalds 2005-04-16 885 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 886
e97a516701cfc3 Takashi Iwai 2007-10-26 887 switch (wid_type) {
797760ab14db4e Andrew Paprocki 2008-01-18 888 case AC_WID_PIN: {
797760ab14db4e Andrew Paprocki 2008-01-18 889 int supports_vref;
797760ab14db4e Andrew Paprocki 2008-01-18 890 print_pin_caps(buffer, codec, nid, &supports_vref);
797760ab14db4e Andrew Paprocki 2008-01-18 891 print_pin_ctls(buffer, codec, nid, supports_vref);
e97a516701cfc3 Takashi Iwai 2007-10-26 892 break;
797760ab14db4e Andrew Paprocki 2008-01-18 893 }
e97a516701cfc3 Takashi Iwai 2007-10-26 894 case AC_WID_VOL_KNB:
797760ab14db4e Andrew Paprocki 2008-01-18 895 print_vol_knob(buffer, codec, nid);
e97a516701cfc3 Takashi Iwai 2007-10-26 896 break;
e97a516701cfc3 Takashi Iwai 2007-10-26 897 case AC_WID_AUD_OUT:
e97a516701cfc3 Takashi Iwai 2007-10-26 898 case AC_WID_AUD_IN:
797760ab14db4e Andrew Paprocki 2008-01-18 899 print_audio_io(buffer, codec, nid, wid_type);
797760ab14db4e Andrew Paprocki 2008-01-18 900 if (wid_caps & AC_WCAP_DIGITAL)
797760ab14db4e Andrew Paprocki 2008-01-18 901 print_digital_conv(buffer, codec, nid);
e97a516701cfc3 Takashi Iwai 2007-10-26 902 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
b90d7760ea784f Takashi Iwai 2006-11-07 903 snd_iprintf(buffer, " PCM:\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 904 print_pcm_caps(buffer, codec, nid);
^1da177e4c3f41 Linus Torvalds 2005-04-16 905 }
e97a516701cfc3 Takashi Iwai 2007-10-26 906 break;
e97a516701cfc3 Takashi Iwai 2007-10-26 907 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 908
797760ab14db4e Andrew Paprocki 2008-01-18 909 if (wid_caps & AC_WCAP_UNSOL_CAP)
797760ab14db4e Andrew Paprocki 2008-01-18 910 print_unsol_cap(buffer, codec, nid);
797760ab14db4e Andrew Paprocki 2008-01-18 911
b7027cc29e158e Takashi Iwai 2005-11-02 912 if (wid_caps & AC_WCAP_POWER)
797760ab14db4e Andrew Paprocki 2008-01-18 913 print_power_state(buffer, codec, nid);
b7027cc29e158e Takashi Iwai 2005-11-02 914
797760ab14db4e Andrew Paprocki 2008-01-18 915 if (wid_caps & AC_WCAP_DELAY)
797760ab14db4e Andrew Paprocki 2008-01-18 916 snd_iprintf(buffer, " Delay: %d samples\n",
797760ab14db4e Andrew Paprocki 2008-01-18 917 (wid_caps & AC_WCAP_DELAY) >>
797760ab14db4e Andrew Paprocki 2008-01-18 918 AC_WCAP_DELAY_SHIFT);
797760ab14db4e Andrew Paprocki 2008-01-18 919
7a624ea56222fc Mengdong Lin 2013-08-26 920 if (wid_type == AC_WID_PIN && codec->dp_mst)
7a624ea56222fc Mengdong Lin 2013-08-26 921 print_device_list(buffer, codec, nid);
7a624ea56222fc Mengdong Lin 2013-08-26 922
797760ab14db4e Andrew Paprocki 2008-01-18 923 if (wid_caps & AC_WCAP_CONN_LIST)
797760ab14db4e Andrew Paprocki 2008-01-18 924 print_conn_list(buffer, codec, nid, wid_type,
797760ab14db4e Andrew Paprocki 2008-01-18 925 conn, conn_len);
797760ab14db4e Andrew Paprocki 2008-01-18 926
797760ab14db4e Andrew Paprocki 2008-01-18 927 if (wid_caps & AC_WCAP_PROC_WID)
797760ab14db4e Andrew Paprocki 2008-01-18 928 print_proc_caps(buffer, codec, nid);
797760ab14db4e Andrew Paprocki 2008-01-18 929
daead538e9d8ef Takashi Iwai 2008-11-28 930 if (codec->proc_widget_hook)
daead538e9d8ef Takashi Iwai 2008-11-28 931 codec->proc_widget_hook(buffer, codec, nid);
4eea30914facd2 Takashi Iwai 2013-02-07 932
4eea30914facd2 Takashi Iwai 2013-02-07 933 kfree(conn);
e171613949e350 Takashi Iwai 2007-11-16 934 }
cb53c626e1145e Takashi Iwai 2007-08-10 935 snd_hda_power_down(codec);
^1da177e4c3f41 Linus Torvalds 2005-04-16 936 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 937
:::::: The code at line 774 was first introduced by commit
:::::: 7639a06c23c7d4cda34c2546bd7290d8753849ca ALSA: hda - Move a part of hda_codec stuff into hdac_device
:::::: TO: Takashi Iwai <tiwai@...e.de>
:::::: CC: Takashi Iwai <tiwai@...e.de>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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