Hi, [auto build test WARNING on net-next/master] [also build test WARNING on next-20160721] [cannot apply to v4.7-rc7] [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/Iyappan-Subramanian/drivers-net-xgene-Fix-module-crash-and-1G-hot-plug/20160722-005356 config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 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=m68k All warnings (new ones prefixed by >>): drivers/net/ethernet/apm/xgene/xgene_enet_hw.c: In function 'xgene_enet_phy_connect': >> drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:834:22: warning: unused variable 'adev' [-Wunused-variable] struct acpi_device *adev; ^ >> drivers/net/ethernet/apm/xgene/xgene_enet_hw.c:878:23: warning: 'phy_dev' may be used uninitialized in this function [-Wmaybe-uninitialized] phy_dev->advertising = phy_dev->supported; ^ vim +/adev +834 drivers/net/ethernet/apm/xgene/xgene_enet_hw.c 828 int xgene_enet_phy_connect(struct net_device *ndev) 829 { 830 struct xgene_enet_pdata *pdata = netdev_priv(ndev); 831 struct device_node *np; 832 struct phy_device *phy_dev; 833 struct device *dev = &pdata->pdev->dev; > 834 struct acpi_device *adev; 835 int i; 836 837 if (dev->of_node) { 838 for (i = 0 ; i < 2; i++) { 839 np = of_parse_phandle(dev->of_node, "phy-handle", i); 840 if (np) 841 break; 842 } 843 844 if (!np) { 845 netdev_dbg(ndev, "No phy-handle found in DT\n"); 846 return -ENODEV; 847 } 848 849 phy_dev = of_phy_connect(ndev, np, &xgene_enet_adjust_link, 850 0, pdata->phy_mode); 851 if (!phy_dev) { 852 netdev_err(ndev, "Could not connect to PHY\n"); 853 return -ENODEV; 854 } 855 856 pdata->phy_dev = phy_dev; 857 } else { 858 #ifdef CONFIG_ACPI 859 adev = acpi_phy_find_device(dev); 860 if (adev) 861 pdata->phy_dev = adev->driver_data; 862 863 phy_dev = pdata->phy_dev; 864 865 if (!phy_dev || 866 phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link, 867 pdata->phy_mode)) { 868 netdev_err(ndev, "Could not connect to PHY\n"); 869 return -ENODEV; 870 } 871 #endif 872 } 873 874 pdata->phy_speed = SPEED_UNKNOWN; 875 phy_dev->supported &= ~SUPPORTED_10baseT_Half & 876 ~SUPPORTED_100baseT_Half & 877 ~SUPPORTED_1000baseT_Half; > 878 phy_dev->advertising = phy_dev->supported; 879 880 return 0; 881 } --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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