Hi, [auto build test WARNING on pci/next] [also build test WARNING on v4.7-rc2 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/Shawn-Lin/Documentation-bindings-add-dt-doc-for-Rockchip-PCIe-controller/20160608-161005 base: https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next config: arm64-allmodconfig (attached as .config) compiler: aarch64-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=arm64 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/pci/host/pcie-rockchip.c: In function 'rockchip_pcie_probe': >> drivers/pci/host/pcie-rockchip.c:876:5: warning: 'err' may be used >> uninitialized in this function [-Wmaybe-uninitialized] if (err) ^ vim +/err +876 drivers/pci/host/pcie-rockchip.c 860 int reg_no; 861 int err = 0; 862 int offset = 0; 863 864 LIST_HEAD(res); 865 866 if (!dev->of_node) 867 return -ENODEV; 868 869 port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL); 870 if (!port) 871 return -ENOMEM; 872 873 port->dev = dev; 874 875 err = rockchip_pcie_parse_dt(port); > 876 if (err) 877 return err; 878 879 err = clk_prepare_enable(port->aclk_pcie); 880 if (err) { 881 dev_err(dev, "Unable to enable aclk_pcie clock.\n"); 882 goto err_aclk_pcie; 883 } 884 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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