diff options
| author | Menglong Dong | 2023-01-06 10:57:20 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-08-03 10:23:54 +0200 |
| commit | fbe9fa195ef2d3b93c4e11c6386174b880e27b74 (patch) | |
| tree | 8e2cdeca9fa09c960fd8df1befff6e2d244a77a0 /net | |
| parent | cde7f2fd6323e5054e1db2f1ee7231864cd5294c (diff) | |
mptcp: introduce 'sk' to replace 'sock->sk' in mptcp_listen()
[ Upstream commit cfdcfeed6449d702825d249cb85346ecf56236fc ]
'sock->sk' is used frequently in mptcp_listen(). Therefore, we can
introduce the 'sk' and replace 'sock->sk' with it.
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: 0226436acf24 ("mptcp: do not rely on implicit state check in mptcp_listen()")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mptcp/protocol.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 4ca61e80f4bb..208da9a9909c 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -3746,12 +3746,13 @@ unlock: static int mptcp_listen(struct socket *sock, int backlog) { struct mptcp_sock *msk = mptcp_sk(sock->sk); + struct sock *sk = sock->sk; struct socket *ssock; int err; pr_debug("msk=%p", msk); - lock_sock(sock->sk); + lock_sock(sk); ssock = __mptcp_nmpc_socket(msk); if (!ssock) { err = -EINVAL; @@ -3759,16 +3760,16 @@ static int mptcp_listen(struct socket *sock, int backlog) } mptcp_token_destroy(msk); - inet_sk_state_store(sock->sk, TCP_LISTEN); - sock_set_flag(sock->sk, SOCK_RCU_FREE); + inet_sk_state_store(sk, TCP_LISTEN); + sock_set_flag(sk, SOCK_RCU_FREE); err = ssock->ops->listen(ssock, backlog); - inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk)); + inet_sk_state_store(sk, inet_sk_state_load(ssock->sk)); if (!err) - mptcp_copy_inaddrs(sock->sk, ssock->sk); + mptcp_copy_inaddrs(sk, ssock->sk); unlock: - release_sock(sock->sk); + release_sock(sk); return err; } |