Hi Takashi, I love your patch! Yet something to improve: [auto build test ERROR on sound/for-next] [also build test ERROR on v4.20-rc3 next-20181123] [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/Takashi-Iwai/ALSA-Replace-snd_malloc_pages-and-snd_free_pages-with-standard-helpers/20181124-151811 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: sparc64-defconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sparc64 All errors (new ones prefixed by >>): sound/sparc/cs4231.c: In function 'snd_cs4231_playback_open': >> sound/sparc/cs4231.c:1150:3: error: implicit declaration of function 'snd_free_pages'; did you mean '__free_pages'? [-Werror=implicit-function-declaration] snd_free_pages(runtime->dma_area, runtime->dma_bytes); ^~~~~~~~~~~~~~ __free_pages cc1: some warnings being treated as errors vim +1150 sound/sparc/cs4231.c ^1da177e Linus Torvalds 2005-04-16 1139 be9b7e8c Takashi Iwai 2006-01-03 1140 static int snd_cs4231_playback_open(struct snd_pcm_substream *substream) ^1da177e Linus Torvalds 2005-04-16 1141 { be9b7e8c Takashi Iwai 2006-01-03 1142 struct snd_cs4231 *chip = snd_pcm_substream_chip(substream); be9b7e8c Takashi Iwai 2006-01-03 1143 struct snd_pcm_runtime *runtime = substream->runtime; ^1da177e Linus Torvalds 2005-04-16 1144 int err; ^1da177e Linus Torvalds 2005-04-16 1145 ^1da177e Linus Torvalds 2005-04-16 1146 runtime->hw = snd_cs4231_playback; ^1da177e Linus Torvalds 2005-04-16 1147 9e9abb4f Krzysztof Helt 2007-09-10 1148 err = snd_cs4231_open(chip, CS4231_MODE_PLAY); 9e9abb4f Krzysztof Helt 2007-09-10 1149 if (err < 0) { ^1da177e Linus Torvalds 2005-04-16 @1150 snd_free_pages(runtime->dma_area, runtime->dma_bytes); ^1da177e Linus Torvalds 2005-04-16 1151 return err; ^1da177e Linus Torvalds 2005-04-16 1152 } ^1da177e Linus Torvalds 2005-04-16 1153 chip->playback_substream = substream; ^1da177e Linus Torvalds 2005-04-16 1154 chip->p_periods_sent = 0; ^1da177e Linus Torvalds 2005-04-16 1155 snd_pcm_set_sync(substream); ^1da177e Linus Torvalds 2005-04-16 1156 snd_cs4231_xrate(runtime); ^1da177e Linus Torvalds 2005-04-16 1157 ^1da177e Linus Torvalds 2005-04-16 1158 return 0; ^1da177e Linus Torvalds 2005-04-16 1159 } ^1da177e Linus Torvalds 2005-04-16 1160 :::::: The code at line 1150 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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