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Date: Fri, 11 Mar 2022 19:59:41 +0800 From: kernel test robot <lkp@...el.com> To: Toke Høiland-Jørgensen <toke@...hat.com> Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org Subject: [toke:xdp-queueing-03 3/9] net/bpf/test_run.c:1372:15: warning: cast to pointer from integer of different size tree: https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git xdp-queueing-03 head: 91c92d46077f70b03fd162128dd3373663d529d4 commit: eb1f31b3643b9fb49f4785deab32e3461eca777f [3/9] xdp: add dequeue program type for getting packets from a PIFO config: xtensa-buildonly-randconfig-r004-20220310 (https://download.01.org/0day-ci/archive/20220311/202203111957.Pexg2qR6-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 11.2.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git/commit/?id=eb1f31b3643b9fb49f4785deab32e3461eca777f git remote add toke https://git.kernel.org/pub/scm/linux/kernel/git/toke/linux.git git fetch --no-tags toke xdp-queueing-03 git checkout eb1f31b3643b9fb49f4785deab32e3461eca777f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=xtensa SHELL=/bin/bash net/bpf/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): net/bpf/test_run.c: In function 'bpf_prog_test_run_dequeue': >> net/bpf/test_run.c:1372:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 1372 | pkt = (void *)retval; | ^ vim +1372 net/bpf/test_run.c 1347 1348 int bpf_prog_test_run_dequeue(struct bpf_prog *prog, const union bpf_attr *kattr, 1349 union bpf_attr __user *uattr) 1350 { 1351 struct xdp_txq_info txq = { .dev = current->nsproxy->net_ns->loopback_dev }; 1352 u32 repeat = kattr->test.repeat, duration, size; 1353 struct dequeue_data ctx = { .txq = &txq }; 1354 struct xdp_buff xdp = {}; 1355 struct xdp_frame *pkt; 1356 int ret = -EINVAL; 1357 u64 retval; 1358 1359 if (prog->expected_attach_type) 1360 return -EINVAL; 1361 1362 if (kattr->test.data_in || kattr->test.data_size_in || 1363 kattr->test.ctx_in || kattr->test.ctx_out || repeat > 1) 1364 return -EINVAL; 1365 1366 ret = bpf_test_run(prog, &ctx, repeat, &retval, &duration, false); 1367 if (ret) 1368 return ret; 1369 if (!retval) 1370 return bpf_test_finish(kattr, uattr, NULL, NULL, 0, retval, duration); 1371 > 1372 pkt = (void *)retval; 1373 xdp_convert_frame_to_buff(pkt, &xdp); 1374 size = xdp.data_end - xdp.data_meta; 1375 /* We set retval == 1 if pkt != NULL, otherwise 0 */ 1376 ret = bpf_test_finish(kattr, uattr, xdp.data_meta, NULL, size, !!retval, duration); 1377 xdp_return_frame(pkt); 1378 return ret; 1379 } 1380 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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