Hi, [auto build test WARNING on asoc/for-next] [also build test WARNING on v4.7-rc3 next-20160609] [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/Srinivas-Kandagatla/sound-lpass-cpu-add-module-licence-and-description/20160613-212531 base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next config: sparc64-allyesconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205 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=sparc64 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. All warnings (new ones prefixed by >>): sound/soc/qcom/lpass-platform.c: In function 'lpass_platform_pcmops_close': >> sound/soc/qcom/lpass-platform.c:128:21: warning: array subscript is below >> array bounds [-Warray-bounds] drvdata->substream[ch] = substream; ^ vim +128 sound/soc/qcom/lpass-platform.c 112 if (ch >= 0 && v->free_dma_channel) 113 v->free_dma_channel(drvdata, ch); 114 115 return ret; 116 } 117 118 static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream) 119 { 120 struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; 121 struct lpass_pcm_data *pcm_data = snd_soc_pcm_get_drvdata(soc_runtime); 122 struct lpass_data *drvdata = 123 snd_soc_platform_get_drvdata(soc_runtime->platform); 124 struct lpass_variant *v = drvdata->variant; 125 int ch = -1; 126 127 if (v->free_dma_channel) { > 128 drvdata->substream[ch] = substream; 129 130 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 131 ch = pcm_data->rdma_ch; 132 else 133 ch = pcm_data->wrdma_ch; 134 135 if (ch >= 0) 136 v->free_dma_channel(drvdata, ch); --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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