Hi, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.18-rc7] [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/intel-lab-lkp/linux/commits/longli-linuxonhyperv-com/Introduce-Microsoft-Azure-Network-Adapter-MANA-RDMA-driver/20220517-170632 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 42226c989789d8da4af1de0c31070c96726d990c config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220520/202205200542.sMPnHzQW-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/f082dc68ab65c498c978d574e62413d50286b4f9 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review longli-linuxonhyperv-com/Introduce-Microsoft-Azure-Network-Adapter-MANA-RDMA-driver/20220517-170632 git checkout f082dc68ab65c498c978d574e62413d50286b4f9 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/infiniband/hw/mana/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/infiniband/hw/mana/main.c:544:5: warning: no previous prototype for 'mana_ib_query_port' [-Wmissing-prototypes] 544 | int mana_ib_query_port(struct ib_device *ibdev, u32 port, | ^~~~~~~~~~~~~~~~~~ -- >> drivers/infiniband/hw/mana/qp.c:8:5: warning: no previous prototype for 'mana_ib_cfg_vport_steering' [-Wmissing-prototypes] 8 | int mana_ib_cfg_vport_steering(struct mana_ib_dev *dev, struct net_device *ndev, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ >> drivers/infiniband/hw/mana/qp.c:227:5: warning: no previous prototype for 'mana_ib_create_qp_raw' [-Wmissing-prototypes] 227 | int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd, | ^~~~~~~~~~~~~~~~~~~~~ >> drivers/infiniband/hw/mana/qp.c:421:5: warning: no previous prototype for 'mana_ib_destroy_qp_raw' [-Wmissing-prototypes] 421 | int mana_ib_destroy_qp_raw(struct mana_ib_qp *qp, struct ib_udata *udata) | ^~~~~~~~~~~~~~~~~~~~~~ vim +/mana_ib_query_port +544 drivers/infiniband/hw/mana/main.c 543 > 544 int mana_ib_query_port(struct ib_device *ibdev, u32 port, 545 struct ib_port_attr *props) 546 { 547 /* This version doesn't return port properties */ 548 return 0; 549 } 550 -- 0-DAY CI Kernel Test Service https://01.org/lkp