[PATCH] bpf: fix: symbol 'btf_vmlinux' was not declared.
From: YANG LI <hidden>
Date: 2020-12-24 08:01:50
Also in:
bpf, lkml
Subsystem:
bpf [core], bpf [general] (safe dynamic programs and tools), the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds
Symbol 'btf_vmlinux' was not declared in the header file and does not add extern, so no other file uses it. It's better to add static to it. Signed-off-by: YANG LI <redacted> Reported-by: Abaci <redacted> --- kernel/bpf/verifier.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 17270b8..535d364 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c@@ -244,7 +244,7 @@ struct bpf_call_arg_meta { u32 ret_btf_id; }; -struct btf *btf_vmlinux; +static struct btf *btf_vmlinux; static DEFINE_MUTEX(bpf_verifier_lock);
--
1.8.3.1