The branch main has been updated by markj:
URL:
https://cgit.FreeBSD.org/src/commit/?id=c4b44adcf0b631eb2d4187f285ed37cf4ce1caff
commit c4b44adcf0b631eb2d4187f285ed37cf4ce1caff
Author: Mark Johnston <ma...@freebsd.org>
AuthorDate: 2021-09-07 18:51:19 +0000
Commit: Mark Johnston <ma...@freebsd.org>
CommitDate: 2021-09-07 21:12:09 +0000
sctp: Remove special handling for a listen(2) backlog of 0
... when applied to one-to-one-style sockets. sctp_listen() cannot be
used to toggle the listening state of such a socket. See RFC 6458's
description of expected listen(2) semantics for one-to-one- and
one-to-many-style sockets.
Reviewed by: tuexen
MFC after: 1 month
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D31774
---
sys/netinet/sctp_usrreq.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/sys/netinet/sctp_usrreq.c b/sys/netinet/sctp_usrreq.c
index 76d73a11304a..516e58753163 100644
--- a/sys/netinet/sctp_usrreq.c
+++ b/sys/netinet/sctp_usrreq.c
@@ -7249,14 +7249,16 @@ sctp_listen(struct socket *so, int backlog, struct
thread *p)
}
if ((inp->sctp_flags & SCTP_PCB_FLAGS_UDPTYPE) == 0) {
solisten_proto(so, backlog);
- } else {
- solisten_proto_abort(so);
- }
- SOCK_UNLOCK(so);
- if (backlog > 0) {
+ SOCK_UNLOCK(so);
inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
} else {
- inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING;
+ solisten_proto_abort(so);
+ SOCK_UNLOCK(so);
+ if (backlog > 0) {
+ inp->sctp_flags |= SCTP_PCB_FLAGS_ACCEPTING;
+ } else {
+ inp->sctp_flags &= ~SCTP_PCB_FLAGS_ACCEPTING;
+ }
}
out:
SCTP_INP_WUNLOCK(inp);
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