The code using btf_vmlinux in bpf_tcp_ca is removed by the commit '9f0265e921de ("bpf: Require only one of cong_avoid() and cong_control() from a TCP CC")', so drop this useless btf_vmlinux declaration. Signed-off-by: Geliang Tang <geliang.tang@xxxxxxxx> --- net/ipv4/bpf_tcp_ca.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/net/ipv4/bpf_tcp_ca.c b/net/ipv4/bpf_tcp_ca.c index 4406d796cc2f..39dcccf0f174 100644 --- a/net/ipv4/bpf_tcp_ca.c +++ b/net/ipv4/bpf_tcp_ca.c @@ -51,8 +51,6 @@ static bool is_unsupported(u32 member_offset) return false; } -extern struct btf *btf_vmlinux; - static bool bpf_tcp_ca_is_valid_access(int off, int size, enum bpf_access_type type, const struct bpf_prog *prog, -- 2.35.3