[kbuild-all] [arnd-playground:compat-alloc-user-space-10 35/40] drivers/net/ethernet/intel/ice/ice_main.c:6567: warning: expecting prototype for ice_do_ioctl(). Prototype was for ice_eth_ioctl() instead

tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git compat-alloc-user-space-10 head: 62f24dbc07a07cc9ed7b4c817d4c6e94bbc94b48 commit: d662de8f2059807144906f19d332121b3073b621 [35/40] dev_ioctl: split out ndo_eth_ioctl config: x86_64-randconfig-a012-20210720 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 87039c048c0cbc3d8cbba86187269b006bf2f373) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install x86_64 cross compiling tool for clang build # apt-get install binutils-x86-64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commi... git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git git fetch --no-tags arnd-playground compat-alloc-user-space-10 git checkout d662de8f2059807144906f19d332121b3073b621 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/ethernet/intel/ice/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PHY_SPARX5_SERDES Depends on (ARCH_SPARX5 || COMPILE_TEST && OF && HAS_IOMEM Selected by - SPARX5_SWITCH && NETDEVICES && ETHERNET && NET_VENDOR_MICROCHIP && NET_SWITCHDEV && HAS_IOMEM && OF vim +6567 drivers/net/ethernet/intel/ice/ice_main.c e94d4478669357 Anirudh Venkataramanan 2018-03-20 6559 77a781155a6590 Jacob Keller 2021-06-09 6560 /** 77a781155a6590 Jacob Keller 2021-06-09 6561 * ice_do_ioctl - Access the hwtstamp interface 77a781155a6590 Jacob Keller 2021-06-09 6562 * @netdev: network interface device structure 77a781155a6590 Jacob Keller 2021-06-09 6563 * @ifr: interface request data 77a781155a6590 Jacob Keller 2021-06-09 6564 * @cmd: ioctl command 77a781155a6590 Jacob Keller 2021-06-09 6565 */ d662de8f205980 Arnd Bergmann 2020-11-06 6566 static int ice_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) 77a781155a6590 Jacob Keller 2021-06-09 @6567 { 77a781155a6590 Jacob Keller 2021-06-09 6568 struct ice_netdev_priv *np = netdev_priv(netdev); 77a781155a6590 Jacob Keller 2021-06-09 6569 struct ice_pf *pf = np->vsi->back; 77a781155a6590 Jacob Keller 2021-06-09 6570 77a781155a6590 Jacob Keller 2021-06-09 6571 switch (cmd) { 77a781155a6590 Jacob Keller 2021-06-09 6572 case SIOCGHWTSTAMP: 77a781155a6590 Jacob Keller 2021-06-09 6573 return ice_ptp_get_ts_config(pf, ifr); 77a781155a6590 Jacob Keller 2021-06-09 6574 case SIOCSHWTSTAMP: 77a781155a6590 Jacob Keller 2021-06-09 6575 return ice_ptp_set_ts_config(pf, ifr); 77a781155a6590 Jacob Keller 2021-06-09 6576 default: 77a781155a6590 Jacob Keller 2021-06-09 6577 return -EOPNOTSUPP; 77a781155a6590 Jacob Keller 2021-06-09 6578 } 77a781155a6590 Jacob Keller 2021-06-09 6579 } 77a781155a6590 Jacob Keller 2021-06-09 6580 :::::: The code at line 6567 was first introduced by commit :::::: 77a781155a659053f3b7e81a0ab115d27ff151cd ice: enable receive hardware timestamping :::::: TO: Jacob Keller <jacob.e.keller(a)intel.com&gt; :::::: CC: Tony Nguyen <anthony.l.nguyen(a)intel.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org