CC: kbuild-...@lists.01.org CC: Linux Memory Management List <linux...@kvack.org> TO: Takashi Iwai <ti...@suse.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 90d856e71443a2fcacca8e7539bac44d9cb3f7ab commit: 2b377c6b6012b6ae71ae74d0b14677050a5aaf6c [1783/3296] ALSA: emu10k1x: Allocate resources with device-managed APIs :::::: branch date: 3 days ago :::::: commit date: 7 days ago config: x86_64-randconfig-m001-20210726 (attached as .config) compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: sound/pci/emu10k1/emu10k1x.c:960 snd_emu10k1x_create() warn: 'pci' not released on lines: 895,904. vim +/pci +960 sound/pci/emu10k1/emu10k1x.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 863 e23e7a14362072 Bill Pemberton 2012-12-06 864 static int snd_emu10k1x_create(struct snd_card *card, 2b377c6b6012b6 Takashi Iwai 2021-07-15 865 struct pci_dev *pci) ^1da177e4c3f41 Linus Torvalds 2005-04-16 866 { 2b377c6b6012b6 Takashi Iwai 2021-07-15 867 struct emu10k1x *chip = card->private_data; ^1da177e4c3f41 Linus Torvalds 2005-04-16 868 int err; ^1da177e4c3f41 Linus Torvalds 2005-04-16 869 int ch; ^1da177e4c3f41 Linus Torvalds 2005-04-16 870 2b377c6b6012b6 Takashi Iwai 2021-07-15 871 err = pcim_enable_device(pci); 9031f93851bc47 Takashi Iwai 2021-06-08 872 if (err < 0) ^1da177e4c3f41 Linus Torvalds 2005-04-16 873 return err; 9ac05523d38d4c Christophe JAILLET 2020-11-21 874 9ac05523d38d4c Christophe JAILLET 2020-11-21 875 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(28)) < 0) { 26bc6964f97b3a Takashi Iwai 2014-02-25 876 dev_err(card->dev, "error to set 28bit mask DMA\n"); ^1da177e4c3f41 Linus Torvalds 2005-04-16 877 return -ENXIO; ^1da177e4c3f41 Linus Torvalds 2005-04-16 878 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 879 ^1da177e4c3f41 Linus Torvalds 2005-04-16 880 chip->card = card; ^1da177e4c3f41 Linus Torvalds 2005-04-16 881 chip->pci = pci; ^1da177e4c3f41 Linus Torvalds 2005-04-16 882 chip->irq = -1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 883 ^1da177e4c3f41 Linus Torvalds 2005-04-16 884 spin_lock_init(&chip->emu_lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 885 spin_lock_init(&chip->voice_lock); ^1da177e4c3f41 Linus Torvalds 2005-04-16 886 2b377c6b6012b6 Takashi Iwai 2021-07-15 887 err = pci_request_regions(pci, "EMU10K1X"); 2b377c6b6012b6 Takashi Iwai 2021-07-15 888 if (err < 0) 2b377c6b6012b6 Takashi Iwai 2021-07-15 889 return err; ^1da177e4c3f41 Linus Torvalds 2005-04-16 890 chip->port = pci_resource_start(pci, 0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 891 2b377c6b6012b6 Takashi Iwai 2021-07-15 892 if (devm_request_irq(&pci->dev, pci->irq, snd_emu10k1x_interrupt, 934c2b6d0cb50f Takashi Iwai 2011-06-10 893 IRQF_SHARED, KBUILD_MODNAME, chip)) { 26bc6964f97b3a Takashi Iwai 2014-02-25 894 dev_err(card->dev, "cannot grab irq %d\n", pci->irq); ^1da177e4c3f41 Linus Torvalds 2005-04-16 895 return -EBUSY; ^1da177e4c3f41 Linus Torvalds 2005-04-16 896 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 897 chip->irq = pci->irq; 66471aa715f0d4 Takashi Iwai 2019-12-10 898 card->sync_irq = chip->irq; 2b377c6b6012b6 Takashi Iwai 2021-07-15 899 card->private_free = snd_emu10k1x_free; ^1da177e4c3f41 Linus Torvalds 2005-04-16 900 2b377c6b6012b6 Takashi Iwai 2021-07-15 901 chip->dma_buffer = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, 2b377c6b6012b6 Takashi Iwai 2021-07-15 902 4 * 1024); 2b377c6b6012b6 Takashi Iwai 2021-07-15 903 if (!chip->dma_buffer) ^1da177e4c3f41 Linus Torvalds 2005-04-16 904 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 905 ^1da177e4c3f41 Linus Torvalds 2005-04-16 906 pci_set_master(pci); ^1da177e4c3f41 Linus Torvalds 2005-04-16 907 /* read revision & serial */ 44c10138fd4bbc Auke Kok 2007-06-08 908 chip->revision = pci->revision; ^1da177e4c3f41 Linus Torvalds 2005-04-16 909 pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); ^1da177e4c3f41 Linus Torvalds 2005-04-16 910 pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); 26bc6964f97b3a Takashi Iwai 2014-02-25 911 dev_info(card->dev, "Model %04x Rev %08x Serial %08x\n", chip->model, ^1da177e4c3f41 Linus Torvalds 2005-04-16 912 chip->revision, chip->serial); ^1da177e4c3f41 Linus Torvalds 2005-04-16 913 ^1da177e4c3f41 Linus Torvalds 2005-04-16 914 outl(0, chip->port + INTE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 915 ^1da177e4c3f41 Linus Torvalds 2005-04-16 916 for(ch = 0; ch < 3; ch++) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 917 chip->voices[ch].emu = chip; ^1da177e4c3f41 Linus Torvalds 2005-04-16 918 chip->voices[ch].number = ch; ^1da177e4c3f41 Linus Torvalds 2005-04-16 919 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 920 ^1da177e4c3f41 Linus Torvalds 2005-04-16 921 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 922 * Init to 0x02109204 : ^1da177e4c3f41 Linus Torvalds 2005-04-16 923 * Clock accuracy = 0 (1000ppm) ^1da177e4c3f41 Linus Torvalds 2005-04-16 924 * Sample Rate = 2 (48kHz) ^1da177e4c3f41 Linus Torvalds 2005-04-16 925 * Audio Channel = 1 (Left of 2) ^1da177e4c3f41 Linus Torvalds 2005-04-16 926 * Source Number = 0 (Unspecified) ^1da177e4c3f41 Linus Torvalds 2005-04-16 927 * Generation Status = 1 (Original for Cat Code 12) ^1da177e4c3f41 Linus Torvalds 2005-04-16 928 * Cat Code = 12 (Digital Signal Mixer) ^1da177e4c3f41 Linus Torvalds 2005-04-16 929 * Mode = 0 (Mode 0) ^1da177e4c3f41 Linus Torvalds 2005-04-16 930 * Emphasis = 0 (None) ^1da177e4c3f41 Linus Torvalds 2005-04-16 931 * CP = 1 (Copyright unasserted) ^1da177e4c3f41 Linus Torvalds 2005-04-16 932 * AN = 0 (Audio data) ^1da177e4c3f41 Linus Torvalds 2005-04-16 933 * P = 0 (Consumer) ^1da177e4c3f41 Linus Torvalds 2005-04-16 934 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 935 snd_emu10k1x_ptr_write(chip, SPCS0, 0, ^1da177e4c3f41 Linus Torvalds 2005-04-16 936 chip->spdif_bits[0] = ^1da177e4c3f41 Linus Torvalds 2005-04-16 937 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 938 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | ^1da177e4c3f41 Linus Torvalds 2005-04-16 939 SPCS_GENERATIONSTATUS | 0x00001200 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 940 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); ^1da177e4c3f41 Linus Torvalds 2005-04-16 941 snd_emu10k1x_ptr_write(chip, SPCS1, 0, ^1da177e4c3f41 Linus Torvalds 2005-04-16 942 chip->spdif_bits[1] = ^1da177e4c3f41 Linus Torvalds 2005-04-16 943 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 944 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | ^1da177e4c3f41 Linus Torvalds 2005-04-16 945 SPCS_GENERATIONSTATUS | 0x00001200 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 946 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); ^1da177e4c3f41 Linus Torvalds 2005-04-16 947 snd_emu10k1x_ptr_write(chip, SPCS2, 0, ^1da177e4c3f41 Linus Torvalds 2005-04-16 948 chip->spdif_bits[2] = ^1da177e4c3f41 Linus Torvalds 2005-04-16 949 SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 950 SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | ^1da177e4c3f41 Linus Torvalds 2005-04-16 951 SPCS_GENERATIONSTATUS | 0x00001200 | ^1da177e4c3f41 Linus Torvalds 2005-04-16 952 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); ^1da177e4c3f41 Linus Torvalds 2005-04-16 953 ^1da177e4c3f41 Linus Torvalds 2005-04-16 954 snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF ^1da177e4c3f41 Linus Torvalds 2005-04-16 955 snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing ^1da177e4c3f41 Linus Torvalds 2005-04-16 956 snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode ^1da177e4c3f41 Linus Torvalds 2005-04-16 957 ^1da177e4c3f41 Linus Torvalds 2005-04-16 958 outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); ^1da177e4c3f41 Linus Torvalds 2005-04-16 959 ^1da177e4c3f41 Linus Torvalds 2005-04-16 @960 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 961 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 962 :::::: The code at line 960 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torva...@ppc970.osdl.org> :::::: CC: Linus Torvalds <torva...@ppc970.osdl.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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