Hi Leon, I love your patch! Yet something to improve: [auto build test ERROR on rdma/for-next] [also build test ERROR on v5.9-rc6 next-20200921] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Leon-Romanovsky/RDMA-Explicitly-... base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/infiniband/hw/i40iw/i40iw_verbs.c: In function 'i40iw_register_rdma_device': 2754 | ret = ib_register_device(&iwibdev->ibdev, "i40iw%d", &iwdev->hw.pcidev->dev); | ^ # https://github.com/0day-ci/linux/commit/e3b814f3011ff697c975702e93f969f14... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Leon-Romanovsky/RDMA-Explicitly-pass-in-the-dma_device-to-ib_register_device/20200922-162929 git checkout e3b814f3011ff697c975702e93f969f141b1b607 vim +2754 drivers/infiniband/hw/i40iw/i40iw_verbs.c 2735 2736 /** 2737 * i40iw_register_rdma_device - register iwarp device to IB 2738 * @iwdev: iwarp device 2739 */ 2740 int i40iw_register_rdma_device(struct i40iw_device *iwdev) 2741 { 2742 int ret; 2743 struct i40iw_ib_device *iwibdev; 2744 2745 iwdev->iwibdev = i40iw_init_rdma_device(iwdev); 2746 if (!iwdev->iwibdev) 2747 return -ENOMEM; 2748 iwibdev = iwdev->iwibdev; 2749 rdma_set_device_sysfs_group(&iwibdev->ibdev, &i40iw_attr_group); 2750 ret = ib_device_set_netdev(&iwibdev->ibdev, iwdev->netdev, 1); 2751 if (ret) 2752 goto error; 2753 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org