Messages in this thread | | | Date | Fri, 4 Jun 2021 15:50:15 +0800 | From | kernel test robot <> | Subject | net/bpf/test_run.c:154:14: warning: no previous prototype for 'bpf_fentry_test7' |
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Hi Yonghong,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: f88cd3fb9df228e5ce4e13ec3dbad671ddb2146e commit: d923021c2ce12acb50dc7086a1bf66eed82adf6a bpf: Add tests for PTR_TO_BTF_ID vs. null comparison date: 11 months ago config: x86_64-rhel (attached as .config) compiler: gcc-6 (Ubuntu 6.4.0-17ubuntu1) 6.4.0 20180424 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d923021c2ce12acb50dc7086a1bf66eed82adf6a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout d923021c2ce12acb50dc7086a1bf66eed82adf6a # save the attached .config to linux build tree make W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
net/bpf/test_run.c:120:14: warning: no previous prototype for 'bpf_fentry_test1' [-Wmissing-prototypes] int noinline bpf_fentry_test1(int a) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:125:14: warning: no previous prototype for 'bpf_fentry_test2' [-Wmissing-prototypes] int noinline bpf_fentry_test2(int a, u64 b) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:130:14: warning: no previous prototype for 'bpf_fentry_test3' [-Wmissing-prototypes] int noinline bpf_fentry_test3(char a, int b, u64 c) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:135:14: warning: no previous prototype for 'bpf_fentry_test4' [-Wmissing-prototypes] int noinline bpf_fentry_test4(void *a, char b, int c, u64 d) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:140:14: warning: no previous prototype for 'bpf_fentry_test5' [-Wmissing-prototypes] int noinline bpf_fentry_test5(u64 a, void *b, short c, int d, u64 e) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:145:14: warning: no previous prototype for 'bpf_fentry_test6' [-Wmissing-prototypes] int noinline bpf_fentry_test6(u64 a, void *b, short c, int d, void *e, u64 f) ^~~~~~~~~~~~~~~~ >> net/bpf/test_run.c:154:14: warning: no previous prototype for 'bpf_fentry_test7' [-Wmissing-prototypes] int noinline bpf_fentry_test7(struct bpf_fentry_test_t *arg) ^~~~~~~~~~~~~~~~ >> net/bpf/test_run.c:159:14: warning: no previous prototype for 'bpf_fentry_test8' [-Wmissing-prototypes] int noinline bpf_fentry_test8(struct bpf_fentry_test_t *arg) ^~~~~~~~~~~~~~~~ net/bpf/test_run.c:164:14: warning: no previous prototype for 'bpf_modify_return_test' [-Wmissing-prototypes] int noinline bpf_modify_return_test(int a, int *b) ^~~~~~~~~~~~~~~~~~~~~~
vim +/bpf_fentry_test7 +154 net/bpf/test_run.c
153 > 154 int noinline bpf_fentry_test7(struct bpf_fentry_test_t *arg) 155 { 156 return (long)arg; 157 } 158 > 159 int noinline bpf_fentry_test8(struct bpf_fentry_test_t *arg) 160 { 161 return (long)arg->a; 162 } 163
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