From: Andrii Nakryiko <andrii@kernel.org>
Date: Wed, 12 Apr 2023 03:46:47 +0000 (-0700)
Subject: selftests/bpf: Fix compiler warnings in bpf_testmod for kfuncs
X-Git-Tag: v6.4-rc1~77^2~118^2~3
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4099be372faf7b3616634dfe6994b81b1edf1906;p=tomoyo%2Ftomoyo-test1.git

selftests/bpf: Fix compiler warnings in bpf_testmod for kfuncs

Add -Wmissing-prototypes ignore in bpf_testmod.c, similarly to what we
do in kernel code proper.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/oe-kbuild-all/202304080951.l14IDv3n-lkp@intel.com/
Link: https://lore.kernel.org/bpf/20230412034647.3968143-1-andrii@kernel.org
---

diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
index c5ad39bbe9af..fe847ebfb731 100644
--- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
+++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c
@@ -28,6 +28,10 @@ struct bpf_testmod_struct_arg_2 {
 	long b;
 };
 
+__diag_push();
+__diag_ignore_all("-Wmissing-prototypes",
+		  "Global functions as their definitions will be in bpf_testmod.ko BTF");
+
 noinline int
 bpf_testmod_test_struct_arg_1(struct bpf_testmod_struct_arg_2 a, int b, int c) {
 	bpf_testmod_test_struct_arg_result = a.a + a.b  + b + c;
@@ -175,6 +179,8 @@ noinline int bpf_testmod_fentry_test3(char a, int b, u64 c)
 	return a + b + c;
 }
 
+__diag_pop();
+
 int bpf_testmod_fentry_ok;
 
 noinline ssize_t