diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2023-08-11 17:57:23 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-14 07:06:14 +0100 |
| commit | f0bc514bd5c1396d1f189e4aafd2c24372ce535a (patch) | |
| tree | e85ecb3b055081a1144dc9ce70a2a3b9b7379929 /net | |
| parent | 1f6610b92ac3c4cd4b7904b1d00b776f9bf08ed3 (diff) | |
mptcp: avoid additional indirection in sockopt
The mptcp sockopt infrastructure unneedly uses the first subflow
socket struct in a few spots. We are going to remove such field
soon, so use directly the first subflow sock instead.
No functional changes intended.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mptcp/sockopt.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index a3f1fe810cc9..6661852f8d97 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -293,6 +293,7 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, { struct sock *sk = (struct sock *)msk; struct socket *ssock; + struct sock *ssk; int ret; switch (optname) { @@ -307,16 +308,17 @@ static int mptcp_setsockopt_sol_socket(struct mptcp_sock *msk, int optname, return PTR_ERR(ssock); } - ret = sock_setsockopt(ssock, SOL_SOCKET, optname, optval, optlen); + ssk = msk->first; + ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen); if (ret == 0) { if (optname == SO_REUSEPORT) - sk->sk_reuseport = ssock->sk->sk_reuseport; + sk->sk_reuseport = ssk->sk_reuseport; else if (optname == SO_REUSEADDR) - sk->sk_reuse = ssock->sk->sk_reuse; + sk->sk_reuse = ssk->sk_reuse; else if (optname == SO_BINDTODEVICE) - sk->sk_bound_dev_if = ssock->sk->sk_bound_dev_if; + sk->sk_bound_dev_if = ssk->sk_bound_dev_if; else if (optname == SO_BINDTOIFINDEX) - sk->sk_bound_dev_if = ssock->sk->sk_bound_dev_if; + sk->sk_bound_dev_if = ssk->sk_bound_dev_if; } release_sock(sk); return ret; @@ -391,6 +393,7 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname, struct sock *sk = (struct sock *)msk; int ret = -EOPNOTSUPP; struct socket *ssock; + struct sock *ssk; switch (optname) { case IPV6_V6ONLY: @@ -403,7 +406,8 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname, return PTR_ERR(ssock); } - ret = tcp_setsockopt(ssock->sk, SOL_IPV6, optname, optval, optlen); + ssk = msk->first; + ret = tcp_setsockopt(ssk, SOL_IPV6, optname, optval, optlen); if (ret != 0) { release_sock(sk); return ret; @@ -413,13 +417,13 @@ static int mptcp_setsockopt_v6(struct mptcp_sock *msk, int optname, switch (optname) { case IPV6_V6ONLY: - sk->sk_ipv6only = ssock->sk->sk_ipv6only; + sk->sk_ipv6only = ssk->sk_ipv6only; break; case IPV6_TRANSPARENT: - inet_sk(sk)->transparent = inet_sk(ssock->sk)->transparent; + inet_sk(sk)->transparent = inet_sk(ssk)->transparent; break; case IPV6_FREEBIND: - inet_sk(sk)->freebind = inet_sk(ssock->sk)->freebind; + inet_sk(sk)->freebind = inet_sk(ssk)->freebind; break; } @@ -700,7 +704,7 @@ static int mptcp_setsockopt_sol_ip_set_transparent(struct mptcp_sock *msk, int o return PTR_ERR(ssock); } - issk = inet_sk(ssock->sk); + issk = inet_sk(msk->first); switch (optname) { case IP_FREEBIND: @@ -865,8 +869,8 @@ static int mptcp_getsockopt_first_sf_only(struct mptcp_sock *msk, int level, int { struct sock *sk = (struct sock *)msk; struct socket *ssock; - int ret; struct sock *ssk; + int ret; lock_sock(sk); ssk = msk->first; @@ -881,7 +885,7 @@ static int mptcp_getsockopt_first_sf_only(struct mptcp_sock *msk, int level, int goto out; } - ret = tcp_getsockopt(ssock->sk, level, optname, optval, optlen); + ret = tcp_getsockopt(ssk, level, optname, optval, optlen); out: release_sock(sk); |