linux-kernel - [PATCH bpf-next v4 03/12] bpf: selftests: Fix fentry test kfunc prototypes

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Date: Sat,  8 Jun 2024 15:15:59 -0600
From: Daniel Xu <dxu@...uu.xyz>
To: shuah@...nel.org,
	daniel@...earbox.net,
	andrii@...nel.org,
	eddyz87@...il.com,
	ast@...nel.org,
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Cc: martin.lau@...ux.dev,
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Subject: [PATCH bpf-next v4 03/12] bpf: selftests: Fix fentry test kfunc prototypes

The prototypes in progs/get_func_ip_test.c were not in line with how the
actual kfuncs are defined in net/bpf/test_run.c. This causes compilation
errors when kfunc prototypes are generated from BTF.

Fix by aligning with actual kfunc definitions.

Signed-off-by: Daniel Xu <dxu@...uu.xyz>
---
 .../testing/selftests/bpf/progs/get_func_ip_test.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/tools/testing/selftests/bpf/progs/get_func_ip_test.c b/tools/testing/selftests/bpf/progs/get_func_ip_test.c
index 8956eb78a226..a89596f7585d 100644
--- a/tools/testing/selftests/bpf/progs/get_func_ip_test.c
+++ b/tools/testing/selftests/bpf/progs/get_func_ip_test.c
@@ -5,13 +5,13 @@
 
 char _license[] SEC("license") = "GPL";
 
-extern const void bpf_fentry_test1 __ksym;
-extern const void bpf_fentry_test2 __ksym;
-extern const void bpf_fentry_test3 __ksym;
-extern const void bpf_fentry_test4 __ksym;
-extern const void bpf_modify_return_test __ksym;
-extern const void bpf_fentry_test6 __ksym;
-extern const void bpf_fentry_test7 __ksym;
+extern int bpf_fentry_test1(int a) __ksym;
+extern int bpf_fentry_test2(int a, __u64 b) __ksym;
+extern int bpf_fentry_test3(char a, int b, __u64 c) __ksym;
+extern int bpf_fentry_test4(void *a, char b, int c, __u64 d) __ksym;
+extern int bpf_modify_return_test(int a, int *b) __ksym;
+extern int bpf_fentry_test6(__u64 a, void *b, short c, int d, void *e, __u64 f) __ksym;
+extern int bpf_fentry_test7(struct bpf_fentry_test_t *arg) __ksym;
 
 extern bool CONFIG_X86_KERNEL_IBT __kconfig __weak;
 
-- 
2.44.0