* [PATCH] bpf: fix: symbol 'btf_vmlinux' was not declared.
@ 2020-12-24 8:00 YANG LI
0 siblings, 0 replies; only message in thread
From: YANG LI @ 2020-12-24 8:00 UTC (permalink / raw)
To: ast
Cc: daniel, andrii, kafai, songliubraving, yhs, john.fastabend,
kpsingh, davem, kuba, hawk, natechancellor, ndesaulniers, netdev,
bpf, linux-kernel, clang-built-linux, YANG LI
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 <abaci-bugfix@linux.alibaba.com>
Reported-by: Abaci <abaci@linux.alibaba.com>
---
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
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