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 <[email protected]>
Reported-by: Abaci <[email protected]>
---
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