Hi "Toke, I love your patch! Yet something to improve: [auto build test ERROR on bpf-next/master] url: https://github.com/0day-ci/linux/commits/Toke-H-iland-J-rgensen/bpf-Support-injecting-chain-calls-into-BPF-programs-on-load/20191005-035650 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): kernel/bpf/core.c: In function '__bpf_prog_free': >> kernel/bpf/core.c:266:4: error: implicit declaration of function 'bpf_map_area_free'; did you mean 'bpf_prog_free'? [-Werror=implicit-function-declaration] bpf_map_area_free(array); ^~~~~~~~~~~~~~~~~ bpf_prog_free cc1: some warnings being treated as errors vim +266 kernel/bpf/core.c 253 254 void __bpf_prog_free(struct bpf_prog *fp) 255 { 256 if (fp->aux) { 257 free_percpu(fp->aux->stats); 258 if (fp->aux->chain_progs) { 259 struct bpf_array *array = fp->aux->chain_progs; 260 int i; 261 262 for (i = 0; i < BPF_NUM_CHAIN_SLOTS; i++) 263 if (array->ptrs[i]) 264 bpf_prog_put(array->ptrs[i]); 265 > 266 bpf_map_area_free(array); 267 } 268 kfree(fp->aux); 269 } 270 vfree(fp); 271 } 272 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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