Hi Chenbo, [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Chenbo-Feng/bpf-security-New-file-mode-and-LSM-hooks-for-eBPF-object-permission-control/20171011-010349 config: x86_64-randconfig-u0-10110310 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/init.h:4:0, from security/selinux/hooks.c:27: security/selinux/hooks.c: In function 'bpf_map_fmode_to_av': security/selinux/hooks.c:6284:6: error: 'f_mode' undeclared (first use in this function) if (f_mode & FMODE_READ) ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> security/selinux/hooks.c:6284:2: note: in expansion of macro 'if' if (f_mode & FMODE_READ) ^~ security/selinux/hooks.c:6284:6: note: each undeclared identifier is reported only once for each function it appears in if (f_mode & FMODE_READ) ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> security/selinux/hooks.c:6284:2: note: in expansion of macro 'if' if (f_mode & FMODE_READ) ^~ vim +/if +6284 security/selinux/hooks.c 6279 6280 static u32 bpf_map_fmode_to_av(fmode_t fmode) 6281 { 6282 u32 av = 0; 6283 > 6284 if (f_mode & FMODE_READ) 6285 av |= BPF_MAP__READ; 6286 if (f_mode & FMODE_WRITE) 6287 av |= BPF_MAP__WRITE; 6288 return av; 6289 } 6290 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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