Hi Arnd, I love your patch! Yet something to improve: [auto build test ERROR on v4.17-rc2] [cannot apply to sound/for-next asoc/for-next arm-soc/for-next next-20180424] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Baolin-Wang/Fix-year-2038-issue-for-sound-subsystem/20180426-010145 config: x86_64-acpi-redef (attached as .config) compiler: gcc-7 (Debian 7.3.0-16) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): In file included from sound/core/pcm_native.c:3728:0: sound/core/pcm_compat.c: In function 'snd_pcm_ioctl_compat': >> sound/core/pcm_compat.c:580:2: error: duplicate case value case SNDRV_PCM_IOCTL_SYNC_PTR_X32: ^~~~ sound/core/pcm_compat.c:547:2: note: previously used here case __SNDRV_PCM_IOCTL_SYNC_PTR64: ^~~~ vim +580 sound/core/pcm_compat.c ^1da177e Linus Torvalds 2005-04-16 507 ^1da177e Linus Torvalds 2005-04-16 508 static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg) ^1da177e Linus Torvalds 2005-04-16 509 { 877211f5 Takashi Iwai 2005-11-17 510 struct snd_pcm_file *pcm_file; 877211f5 Takashi Iwai 2005-11-17 511 struct snd_pcm_substream *substream; ^1da177e Linus Torvalds 2005-04-16 512 void __user *argp = compat_ptr(arg); ^1da177e Linus Torvalds 2005-04-16 513 ^1da177e Linus Torvalds 2005-04-16 514 pcm_file = file->private_data; ^1da177e Linus Torvalds 2005-04-16 515 if (! pcm_file) ^1da177e Linus Torvalds 2005-04-16 516 return -ENOTTY; ^1da177e Linus Torvalds 2005-04-16 517 substream = pcm_file->substream; ^1da177e Linus Torvalds 2005-04-16 518 if (! substream) ^1da177e Linus Torvalds 2005-04-16 519 return -ENOTTY; ^1da177e Linus Torvalds 2005-04-16 520 ^1da177e Linus Torvalds 2005-04-16 521 /* ^1da177e Linus Torvalds 2005-04-16 522 * When PCM is used on 32bit mode, we need to disable 53cdcc38 Arnd Bergmann 2018-04-24 523 * mmap of the old PCM status/control records because 53cdcc38 Arnd Bergmann 2018-04-24 524 * of the size incompatibility. ^1da177e Linus Torvalds 2005-04-16 525 */ 548a648b Takashi Iwai 2006-07-31 526 pcm_file->no_compat_mmap = 1; ^1da177e Linus Torvalds 2005-04-16 527 ^1da177e Linus Torvalds 2005-04-16 528 switch (cmd) { ^1da177e Linus Torvalds 2005-04-16 529 case SNDRV_PCM_IOCTL_PVERSION: ^1da177e Linus Torvalds 2005-04-16 530 case SNDRV_PCM_IOCTL_INFO: 5a7f2619 Takashi Iwai 2007-12-17 531 case SNDRV_PCM_IOCTL_TSTAMP: 6b587ef9 Takashi Iwai 2007-12-14 532 case SNDRV_PCM_IOCTL_TTSTAMP: 4b671f57 Takashi Iwai 2017-06-19 533 case SNDRV_PCM_IOCTL_USER_PVERSION: ^1da177e Linus Torvalds 2005-04-16 534 case SNDRV_PCM_IOCTL_HWSYNC: ^1da177e Linus Torvalds 2005-04-16 535 case SNDRV_PCM_IOCTL_PREPARE: ^1da177e Linus Torvalds 2005-04-16 536 case SNDRV_PCM_IOCTL_RESET: ^1da177e Linus Torvalds 2005-04-16 537 case SNDRV_PCM_IOCTL_START: ^1da177e Linus Torvalds 2005-04-16 538 case SNDRV_PCM_IOCTL_DROP: ^1da177e Linus Torvalds 2005-04-16 539 case SNDRV_PCM_IOCTL_DRAIN: ^1da177e Linus Torvalds 2005-04-16 540 case SNDRV_PCM_IOCTL_PAUSE: ^1da177e Linus Torvalds 2005-04-16 541 case SNDRV_PCM_IOCTL_HW_FREE: ^1da177e Linus Torvalds 2005-04-16 542 case SNDRV_PCM_IOCTL_RESUME: ^1da177e Linus Torvalds 2005-04-16 543 case SNDRV_PCM_IOCTL_XRUN: ^1da177e Linus Torvalds 2005-04-16 544 case SNDRV_PCM_IOCTL_LINK: ^1da177e Linus Torvalds 2005-04-16 545 case SNDRV_PCM_IOCTL_UNLINK: 53cdcc38 Arnd Bergmann 2018-04-24 546 case __SNDRV_PCM_IOCTL_SYNC_PTR32: 53cdcc38 Arnd Bergmann 2018-04-24 547 case __SNDRV_PCM_IOCTL_SYNC_PTR64: 67616fed Takashi Iwai 2017-08-30 548 return snd_pcm_common_ioctl(file, substream, cmd, argp); ^1da177e Linus Torvalds 2005-04-16 549 case SNDRV_PCM_IOCTL_HW_REFINE32: ^1da177e Linus Torvalds 2005-04-16 550 return snd_pcm_ioctl_hw_params_compat(substream, 1, argp); ^1da177e Linus Torvalds 2005-04-16 551 case SNDRV_PCM_IOCTL_HW_PARAMS32: ^1da177e Linus Torvalds 2005-04-16 552 return snd_pcm_ioctl_hw_params_compat(substream, 0, argp); ^1da177e Linus Torvalds 2005-04-16 553 case SNDRV_PCM_IOCTL_SW_PARAMS32: ^1da177e Linus Torvalds 2005-04-16 554 return snd_pcm_ioctl_sw_params_compat(substream, argp); de41e437 Baolin Wang 2018-04-24 555 case SNDRV_PCM_IOCTL_STATUS_COMPAT32: de41e437 Baolin Wang 2018-04-24 556 return snd_pcm_status_user32(substream, argp, false); de41e437 Baolin Wang 2018-04-24 557 case SNDRV_PCM_IOCTL_STATUS_EXT_COMPAT32: de41e437 Baolin Wang 2018-04-24 558 return snd_pcm_status_user32(substream, argp, true); ^1da177e Linus Torvalds 2005-04-16 559 case SNDRV_PCM_IOCTL_CHANNEL_INFO32: ^1da177e Linus Torvalds 2005-04-16 560 return snd_pcm_ioctl_channel_info_compat(substream, argp); ^1da177e Linus Torvalds 2005-04-16 561 case SNDRV_PCM_IOCTL_WRITEI_FRAMES32: ^1da177e Linus Torvalds 2005-04-16 562 return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); ^1da177e Linus Torvalds 2005-04-16 563 case SNDRV_PCM_IOCTL_READI_FRAMES32: ^1da177e Linus Torvalds 2005-04-16 564 return snd_pcm_ioctl_xferi_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); ^1da177e Linus Torvalds 2005-04-16 565 case SNDRV_PCM_IOCTL_WRITEN_FRAMES32: ^1da177e Linus Torvalds 2005-04-16 566 return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp); ^1da177e Linus Torvalds 2005-04-16 567 case SNDRV_PCM_IOCTL_READN_FRAMES32: ^1da177e Linus Torvalds 2005-04-16 568 return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp); ^1da177e Linus Torvalds 2005-04-16 569 case SNDRV_PCM_IOCTL_DELAY32: ^1da177e Linus Torvalds 2005-04-16 570 return snd_pcm_ioctl_delay_compat(substream, argp); ^1da177e Linus Torvalds 2005-04-16 571 case SNDRV_PCM_IOCTL_REWIND32: ^1da177e Linus Torvalds 2005-04-16 572 return snd_pcm_ioctl_rewind_compat(substream, argp); ^1da177e Linus Torvalds 2005-04-16 573 case SNDRV_PCM_IOCTL_FORWARD32: ^1da177e Linus Torvalds 2005-04-16 574 return snd_pcm_ioctl_forward_compat(substream, argp); de41e437 Baolin Wang 2018-04-24 575 case SNDRV_PCM_IOCTL_STATUS_COMPAT64: de41e437 Baolin Wang 2018-04-24 576 return snd_pcm_status_user_compat64(substream, argp, false); de41e437 Baolin Wang 2018-04-24 577 case SNDRV_PCM_IOCTL_STATUS_EXT_COMPAT64: de41e437 Baolin Wang 2018-04-24 578 return snd_pcm_status_user_compat64(substream, argp, true); 513ace79 Takashi Iwai 2016-02-28 579 #ifdef CONFIG_X86_X32 513ace79 Takashi Iwai 2016-02-28 @580 case SNDRV_PCM_IOCTL_SYNC_PTR_X32: :::::: The code at line 580 was first introduced by commit :::::: 513ace79b657e2022a592e77f24074e088681ecc ALSA: pcm: Fix ioctls for X32 ABI :::::: TO: Takashi Iwai <tiwai@xxxxxxx> :::::: CC: Takashi Iwai <tiwai@xxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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