selftest/bpf: replace magic constants by macros

Replace magic constants in a BTF structure initialization code by proper macros, as is done in other similar selftests. Signed-off-by: Anton Protopopov <[email protected]> Suggested-by: Eduard Zingerman <[email protected]>
kernel-patches · Dec 2, 2024 · 0f5b2c8 · 0f5b2c8
1 parent 594e9f6
commit 0f5b2c8
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/tools/testing/selftests/bpf/progs/syscall.c b/tools/testing/selftests/bpf/progs/syscall.c
@@ -76,9 +76,9 @@ static int btf_load(void)
 			.magic = BTF_MAGIC,
 			.version = BTF_VERSION,
 			.hdr_len = sizeof(struct btf_header),
-			.type_len = sizeof(__u32) * 8,
-			.str_off = sizeof(__u32) * 8,
-			.str_len = sizeof(__u32),
+			.type_len = sizeof(raw_btf.types),
+			.str_off = offsetof(struct btf_blob, str) - offsetof(struct btf_blob, types),
+			.str_len = sizeof(raw_btf.str),
 		},
 		.types = {
 			/* long */