Messages in this thread Patch in this message | | | From | Anders Roxell <> | Subject | [PATCH] net/core/filter: fix unused-variable warning | Date | Fri, 7 Sep 2018 14:50:05 +0200 |
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Building with CONFIG_INET=n will show the warning below: net/core/filter.c: In function ‘____bpf_getsockopt’: net/core/filter.c:4048:19: warning: unused variable ‘tp’ [-Wunused-variable] struct tcp_sock *tp; ^~ net/core/filter.c:4046:31: warning: unused variable ‘icsk’ [-Wunused-variable] struct inet_connection_sock *icsk; ^~~~ Move the variable declarations inside the {} block where they are used.
Fixes: 1e215300f138 ("bpf: add TCP_SAVE_SYN/TCP_SAVED_SYN options for bpf_(set|get)sockopt") Signed-off-by: Anders Roxell <anders.roxell@linaro.org> --- net/core/filter.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/core/filter.c b/net/core/filter.c index d301134bca3a..0ae7185b2207 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -4043,14 +4043,14 @@ static const struct bpf_func_proto bpf_setsockopt_proto = { BPF_CALL_5(bpf_getsockopt, struct bpf_sock_ops_kern *, bpf_sock, int, level, int, optname, char *, optval, int, optlen) { - struct inet_connection_sock *icsk; struct sock *sk = bpf_sock->sk; - struct tcp_sock *tp; if (!sk_fullsock(sk)) goto err_clear; #ifdef CONFIG_INET if (level == SOL_TCP && sk->sk_prot->getsockopt == tcp_getsockopt) { + struct inet_connection_sock *icsk; + struct tcp_sock *tp; switch (optname) { case TCP_CONGESTION: icsk = inet_csk(sk); -- 2.18.0
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