Hi Peter, I love your patch! Perhaps something to improve: [auto build test WARNING on tiwai-sound/for-next] [also build test WARNING on v5.18-rc4 next-20220422] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/intel-lab-lkp/linux/commits/Peter-Ujfalusi/ALSA-memalloc-Add-fallback-SG-buffer-free-if-fallback-is-used-for-noncontig/20220425-203012 base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220426/202204261147.hFS8RozR-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/bf91cb1cd103c5f1e78fa154c30f1436be2723ac git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Peter-Ujfalusi/ALSA-memalloc-Add-fallback-SG-buffer-free-if-fallback-is-used-for-noncontig/20220425-203012 git checkout bf91cb1cd103c5f1e78fa154c30f1436be2723ac # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash sound/core/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): sound/core/memalloc.c: In function 'snd_dma_noncontig_free': sound/core/memalloc.c:543:17: error: implicit declaration of function 'snd_dma_sg_fallback_free'; did you mean 'snd_dma_sg_fallback_alloc'? [-Werror=implicit-function-declaration] 543 | snd_dma_sg_fallback_free(dmab); | ^~~~~~~~~~~~~~~~~~~~~~~~ | snd_dma_sg_fallback_alloc sound/core/memalloc.c: At top level: >> sound/core/memalloc.c:755:13: warning: conflicting types for 'snd_dma_sg_fallback_free'; have 'void(struct snd_dma_buffer *)' 755 | static void snd_dma_sg_fallback_free(struct snd_dma_buffer *dmab) | ^~~~~~~~~~~~~~~~~~~~~~~~ sound/core/memalloc.c:755:13: error: static declaration of 'snd_dma_sg_fallback_free' follows non-static declaration sound/core/memalloc.c:543:17: note: previous implicit declaration of 'snd_dma_sg_fallback_free' with type 'void(struct snd_dma_buffer *)' 543 | snd_dma_sg_fallback_free(dmab); | ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +755 sound/core/memalloc.c 925ca893b4a651 Takashi Iwai 2022-04-13 754 925ca893b4a651 Takashi Iwai 2022-04-13 @755 static void snd_dma_sg_fallback_free(struct snd_dma_buffer *dmab) 925ca893b4a651 Takashi Iwai 2022-04-13 756 { 925ca893b4a651 Takashi Iwai 2022-04-13 757 vunmap(dmab->area); 925ca893b4a651 Takashi Iwai 2022-04-13 758 __snd_dma_sg_fallback_free(dmab, dmab->private_data); 925ca893b4a651 Takashi Iwai 2022-04-13 759 } 925ca893b4a651 Takashi Iwai 2022-04-13 760 -- 0-DAY CI Kernel Test Service https://01.org/lkp
