Hi Andrej, [auto build test ERROR on sound/for-next] [also build test ERROR on v4.8-rc6 next-20160916] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base= (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Andrej-Krutak/Line6-POD-X3-X3Live-suport/20160916-210558 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: s390-allmodconfig (attached as .config) compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=s390 Note: the linux-review/Andrej-Krutak/Line6-POD-X3-X3Live-suport/20160916-210558 HEAD 9ed07506e73b5835987ae6d7e2ba79e6c29dc6b6 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): sound/usb/line6/pcm.c: In function 'line6_pcm_acquire': >> sound/usb/line6/pcm.c:297:9: error: too few arguments to function 'line6_buffer_acquire' ret = line6_buffer_acquire(line6pcm, pstr, type); ^~~~~~~~~~~~~~~~~~~~ sound/usb/line6/pcm.c:151:12: note: declared here static int line6_buffer_acquire(struct snd_line6_pcm *line6pcm, ^~~~~~~~~~~~~~~~~~~~ sound/usb/line6/pcm.c: In function 'snd_line6_hw_params': sound/usb/line6/pcm.c:342:8: error: too few arguments to function 'line6_buffer_acquire' ret = line6_buffer_acquire(line6pcm, pstr, LINE6_STREAM_PCM); ^~~~~~~~~~~~~~~~~~~~ sound/usb/line6/pcm.c:151:12: note: declared here static int line6_buffer_acquire(struct snd_line6_pcm *line6pcm, ^~~~~~~~~~~~~~~~~~~~ vim +/line6_buffer_acquire +297 sound/usb/line6/pcm.c 63e20df1 Takashi Iwai 2015-01-27 291 struct line6_pcm_stream *pstr; 63e20df1 Takashi Iwai 2015-01-27 292 int ret = 0, dir; 63e20df1 Takashi Iwai 2015-01-27 293 63e20df1 Takashi Iwai 2015-01-27 294 mutex_lock(&line6pcm->state_mutex); 63e20df1 Takashi Iwai 2015-01-27 295 for (dir = 0; dir < 2; dir++) { 63e20df1 Takashi Iwai 2015-01-27 296 pstr = get_stream(line6pcm, dir); 63e20df1 Takashi Iwai 2015-01-27 @297 ret = line6_buffer_acquire(line6pcm, pstr, type); 63e20df1 Takashi Iwai 2015-01-27 298 if (ret < 0) 63e20df1 Takashi Iwai 2015-01-27 299 goto error; 63e20df1 Takashi Iwai 2015-01-27 300 if (!pstr->running) :::::: The code at line 297 was first introduced by commit :::::: 63e20df1e5b2ef8d871ecbdb6c038d554ed1ca74 ALSA: line6: Reorganize PCM stream handling :::::: TO: Takashi Iwai :::::: CC: Takashi Iwai --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation