Hi Selvin, kernel test robot noticed the following build warnings: [auto build test WARNING on rdma/for-next] [also build test WARNING on next-20231213] [cannot apply to linus/master v6.7-rc5] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Selvin-Xavier/RDMA-bnxt_re-Add-UAPI-to-share-a-page-with-user-space/20231213-115222 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next patch link: https://lore.kernel.org/r/1702438411-23530-3-git-send-email-selvin.xavier%40broadcom.com patch subject: [PATCH for-next 2/2] RDMA/bnxt_re: Share a page to expose per CQ info with userspace config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231214/202312140331.djKEJ9zR-lkp@xxxxxxxxx/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231214/202312140331.djKEJ9zR-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202312140331.djKEJ9zR-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/infiniband/hw/bnxt_re/ib_verbs.c:4236:20: warning: no previous prototype for function 'bnxt_re_search_for_cq' [-Wmissing-prototypes] struct bnxt_re_cq *bnxt_re_search_for_cq(struct bnxt_re_dev *rdev, u32 cq_id) ^ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4236:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct bnxt_re_cq *bnxt_re_search_for_cq(struct bnxt_re_dev *rdev, u32 cq_id) ^ static drivers/infiniband/hw/bnxt_re/ib_verbs.c:4473:30: warning: variable 'cctx' set but not used [-Wunused-but-set-variable] struct bnxt_qplib_chip_ctx *cctx; ^ >> drivers/infiniband/hw/bnxt_re/ib_verbs.c:4510:7: warning: variable 'addr' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized] case BNXT_RE_SRQ_TOGGLE_MEM: ^~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4517:42: note: uninitialized use occurs here entry = bnxt_re_mmap_entry_insert(uctx, addr, mmap_flag, &mem_offset); ^~~~ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4481:10: note: initialize the variable 'addr' to silence this warning u64 addr; ^ = 0 >> drivers/infiniband/hw/bnxt_re/ib_verbs.c:4510:7: warning: variable 'mmap_flag' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized] case BNXT_RE_SRQ_TOGGLE_MEM: ^~~~~~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4517:48: note: uninitialized use occurs here entry = bnxt_re_mmap_entry_insert(uctx, addr, mmap_flag, &mem_offset); ^~~~~~~~~ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4472:2: note: variable 'mmap_flag' is declared here enum bnxt_re_mmap_flag mmap_flag; ^ 4 warnings generated. vim +/bnxt_re_search_for_cq +4236 drivers/infiniband/hw/bnxt_re/ib_verbs.c 4235 > 4236 struct bnxt_re_cq *bnxt_re_search_for_cq(struct bnxt_re_dev *rdev, u32 cq_id) 4237 { 4238 struct bnxt_re_cq *cq = NULL, *tmp_cq; 4239 4240 hash_for_each_possible(rdev->cq_hash, tmp_cq, hash_entry, cq_id) { 4241 if (tmp_cq->qplib_cq.id == cq_id) { 4242 cq = tmp_cq; 4243 break; 4244 } 4245 } 4246 return cq; 4247 } 4248 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
