Hi Jisheng, [auto build test WARNING on v4.4-rc8] [also build test WARNING on next-20160105] [cannot apply to ulf.hansson-mmc/next] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Jisheng-Zhang/mmc-sdhci-bcm2835-use-sdhci_pltfm_init-for-private-allocation/20160105-190232 config: arm64-allmodconfig (attached as .config) 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=arm64 All warnings (new ones prefixed by >>): drivers/mmc/host/sdhci-msm.c: In function 'sdhci_msm_probe': >> drivers/mmc/host/sdhci-msm.c:440:32: warning: 'msm_host' is used >> uninitialized in this function [-Wuninitialized] host = sdhci_pltfm_init(pdev, &msm_host->sdhci_msm_pdata, ^ vim +/msm_host +440 drivers/mmc/host/sdhci-msm.c 424 .set_clock = sdhci_set_clock, 425 .set_bus_width = sdhci_set_bus_width, 426 .set_uhs_signaling = sdhci_set_uhs_signaling, 427 }; 428 429 static int sdhci_msm_probe(struct platform_device *pdev) 430 { 431 struct sdhci_host *host; 432 struct sdhci_pltfm_host *pltfm_host; 433 struct sdhci_msm_host *msm_host; 434 struct resource *core_memres; 435 int ret; 436 u16 host_version, core_minor; 437 u32 core_version, caps; 438 u8 core_major; 439 > 440 host = sdhci_pltfm_init(pdev, &msm_host->sdhci_msm_pdata, 441 sizeof(*msm_host)); 442 if (IS_ERR(host)) 443 return PTR_ERR(host); 444 445 pltfm_host = sdhci_priv(host); 446 msm_host = sdhci_pltfm_priv(pltfm_host); 447 msm_host->sdhci_msm_pdata.ops = &sdhci_msm_ops; 448 msm_host->mmc = host->mmc; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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