Hi, [auto build test ERROR on next-20160621]
url: https://github.com/0day-ci/linux/commits/Martin-KaFai-Lau/cgroup-bpf-cgroup2-membership-test-on-skb/20160622-082800 config: m68k-sun3_defconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 4.9.0 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=m68k All error/warnings (new ones prefixed by >>): kernel/bpf/arraymap.c: In function 'cgroup_fd_array_get_ptr': >> kernel/bpf/arraymap.c:547:2: error: implicit declaration of function >> 'cgroup_get_from_fd' [-Werror=implicit-function-declaration] return cgroup_get_from_fd(fd); ^ >> kernel/bpf/arraymap.c:547:2: warning: return makes pointer from integer >> without a cast kernel/bpf/arraymap.c: In function 'cgroup_fd_array_put_ptr': >> kernel/bpf/arraymap.c:553:2: error: implicit declaration of function >> 'cgroup_put' [-Werror=implicit-function-declaration] cgroup_put(ptr); ^ cc1: some warnings being treated as errors vim +/cgroup_get_from_fd +547 kernel/bpf/arraymap.c 541 late_initcall(register_perf_event_array_map); 542 543 static void *cgroup_fd_array_get_ptr(struct bpf_map *map, 544 struct file *map_file /* not used */, 545 int fd) 546 { > 547 return cgroup_get_from_fd(fd); 548 } 549 550 static void cgroup_fd_array_put_ptr(void *ptr) 551 { 552 /* cgroup_put free cgrp after a rcu grace period */ > 553 cgroup_put(ptr); 554 } 555 556 static void cgroup_fd_array_free(struct bpf_map *map) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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