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: i386-randconfig-s1-201625 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): net/core/filter.c: In function 'bpf_skb_in_cgroup': >> net/core/filter.c:2049:30: error: implicit declaration of function >> 'sock_cgroup_ptr' [-Werror=implicit-function-declaration] return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), cgrp); ^~~~~~~~~~~~~~~ >> net/core/filter.c:2049:30: warning: passing argument 1 of >> 'cgroup_is_descendant' makes pointer from integer without a cast >> [-Wint-conversion] In file included from include/net/netprio_cgroup.h:17:0, from include/linux/netdevice.h:48, from net/core/filter.c:31: include/linux/cgroup.h:492:20: note: expected 'struct cgroup *' but argument is of type 'int' static inline bool cgroup_is_descendant(struct cgroup *cgrp, ^~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/sock_cgroup_ptr +2049 net/core/filter.c 2043 return -E2BIG; 2044 2045 cgrp = READ_ONCE(array->ptrs[i]); 2046 if (unlikely(!cgrp)) 2047 return -ENOENT; 2048 > 2049 return cgroup_is_descendant(sock_cgroup_ptr(&sk->sk_cgrp_data), > cgrp); 2050 } 2051 2052 static const struct bpf_func_proto bpf_skb_in_cgroup_proto = { --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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