CC: kbuild-...@lists.01.org CC: Linux Memory Management List <linux...@kvack.org> TO: Trevor Wu <trevor...@mediatek.com> CC: Mark Brown <broo...@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 88fac11862d38306dd0d2398015744877140390d commit: 6746cc858259985a945a07075a19ec4d24352407 [9526/10638] ASoC: mediatek: mt8195: add platform driver :::::: branch date: 19 hours ago :::::: commit date: 3 days ago config: powerpc64-randconfig-m031-20210827 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> Reported-by: Dan Carpenter <dan.carpen...@oracle.com> smatch warnings: sound/soc/mediatek/common/mtk-afe-fe-dai.c:364 mtk_afe_resume() error: we previously assumed 'afe->reg_back_up' could be null (see line 359) vim +364 sound/soc/mediatek/common/mtk-afe-fe-dai.c 283b612429a279 Garlic Tseng 2016-06-17 346 7ec6b43125c070 Kuninori Morimoto 2020-01-20 347 int mtk_afe_resume(struct snd_soc_component *component) 283b612429a279 Garlic Tseng 2016-06-17 348 { 7ec6b43125c070 Kuninori Morimoto 2020-01-20 349 struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component); 283b612429a279 Garlic Tseng 2016-06-17 350 struct device *dev = afe->dev; 283b612429a279 Garlic Tseng 2016-06-17 351 struct regmap *regmap = afe->regmap; 283b612429a279 Garlic Tseng 2016-06-17 352 int i = 0; 283b612429a279 Garlic Tseng 2016-06-17 353 283b612429a279 Garlic Tseng 2016-06-17 354 if (pm_runtime_status_suspended(dev) || !afe->suspended) 283b612429a279 Garlic Tseng 2016-06-17 355 return 0; 283b612429a279 Garlic Tseng 2016-06-17 356 283b612429a279 Garlic Tseng 2016-06-17 357 afe->runtime_resume(dev); 283b612429a279 Garlic Tseng 2016-06-17 358 283b612429a279 Garlic Tseng 2016-06-17 @359 if (!afe->reg_back_up) 283b612429a279 Garlic Tseng 2016-06-17 360 dev_dbg(dev, "%s no reg_backup\n", __func__); 283b612429a279 Garlic Tseng 2016-06-17 361 283b612429a279 Garlic Tseng 2016-06-17 362 for (i = 0; i < afe->reg_back_up_list_num; i++) 283b612429a279 Garlic Tseng 2016-06-17 363 mtk_regmap_write(regmap, afe->reg_back_up_list[i], 283b612429a279 Garlic Tseng 2016-06-17 @364 afe->reg_back_up[i]); 283b612429a279 Garlic Tseng 2016-06-17 365 283b612429a279 Garlic Tseng 2016-06-17 366 afe->suspended = false; 283b612429a279 Garlic Tseng 2016-06-17 367 return 0; 283b612429a279 Garlic Tseng 2016-06-17 368 } 7ec6b43125c070 Kuninori Morimoto 2020-01-20 369 EXPORT_SYMBOL_GPL(mtk_afe_resume); 283b612429a279 Garlic Tseng 2016-06-17 370 :::::: The code at line 364 was first introduced by commit :::::: 283b612429a279b4c8f5a90f38d26c80bf8ec628 ASoC: mediatek: implement mediatek common structure :::::: TO: Garlic Tseng <garlic.ts...@mediatek.com> :::::: CC: Mark Brown <broo...@kernel.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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