tcp_input.c (cee1af825d65b8122627fc2efbc36c1bd51ee103) tcp_input.c (e13ec3da05d130f0d10da8e1fbe1be26dcdb0e27)
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
6 *
7 * Implementation of the Transmission Control Protocol(TCP).
8 *

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4317 * so just ignore the return value of mptcp_incoming_options().
4318 */
4319 if (sk_is_mptcp(sk))
4320 mptcp_incoming_options(sk, skb);
4321
4322 /* We want the right error as BSD sees it (and indeed as we do). */
4323 switch (sk->sk_state) {
4324 case TCP_SYN_SENT:
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
6 *
7 * Implementation of the Transmission Control Protocol(TCP).
8 *

--- 4308 unchanged lines hidden (view full) ---

4317 * so just ignore the return value of mptcp_incoming_options().
4318 */
4319 if (sk_is_mptcp(sk))
4320 mptcp_incoming_options(sk, skb);
4321
4322 /* We want the right error as BSD sees it (and indeed as we do). */
4323 switch (sk->sk_state) {
4324 case TCP_SYN_SENT:
4325 sk->sk_err = ECONNREFUSED;
4325 WRITE_ONCE(sk->sk_err, ECONNREFUSED);
4326 break;
4327 case TCP_CLOSE_WAIT:
4326 break;
4327 case TCP_CLOSE_WAIT:
4328 sk->sk_err = EPIPE;
4328 WRITE_ONCE(sk->sk_err, EPIPE);
4329 break;
4330 case TCP_CLOSE:
4331 return;
4332 default:
4329 break;
4330 case TCP_CLOSE:
4331 return;
4332 default:
4333 sk->sk_err = ECONNRESET;
4333 WRITE_ONCE(sk->sk_err, ECONNRESET);
4334 }
4335 /* This barrier is coupled with smp_rmb() in tcp_poll() */
4336 smp_wmb();
4337
4338 tcp_write_queue_purge(sk);
4339 tcp_done(sk);
4340
4341 if (!sock_flag(sk, SOCK_DEAD))

--- 2730 unchanged lines hidden --- 		4334 }
4335 /* This barrier is coupled with smp_rmb() in tcp_poll() */
4336 smp_wmb();
4337
4338 tcp_write_queue_purge(sk);
4339 tcp_done(sk);
4340
4341 if (!sock_flag(sk, SOCK_DEAD))

--- 2730 unchanged lines hidden ---