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| author | Jean-Philippe Menil <jpmenil@gmail.com> | 2020-03-27 21:47:13 +0100 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2020-03-28 18:13:18 +0100 |
| commit | e9ff9d52540a53ce8c9eff5bf8b66467fe81eb2b (patch) | |
| tree | 4d1180ad9c48217810d79502e5563101c3c27530 | |
| parent | 291cfe365bd3d5002a9c49e9fca8f30136eebc28 (diff) | |
bpf: Fix build warning regarding missing prototypes
Fix build warnings when building net/bpf/test_run.o with W=1 due
to missing prototype for bpf_fentry_test{1..6}.
Instead of declaring prototypes, turn off warnings with
__diag_{push,ignore,pop} as pointed out by Alexei.
Signed-off-by: Jean-Philippe Menil <jpmenil@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200327204713.28050-1-jpmenil@gmail.com
| -rw-r--r-- | net/bpf/test_run.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c index 4c921f5154e0..29dbdd4c29f6 100644 --- a/net/bpf/test_run.c +++ b/net/bpf/test_run.c @@ -114,6 +114,9 @@ out: * architecture dependent calling conventions. 7+ can be supported in the * future. */ +__diag_push(); +__diag_ignore(GCC, 8, "-Wmissing-prototypes", + "Global functions as their definitions will be in vmlinux BTF"); int noinline bpf_fentry_test1(int a) { return a + 1; @@ -149,6 +152,7 @@ int noinline bpf_modify_return_test(int a, int *b) *b += 1; return a + *b; } +__diag_pop(); ALLOW_ERROR_INJECTION(bpf_modify_return_test, ERRNO); |