Author: jch
Date: Fri May 15 12:35:18 2015
New Revision: 282968
URL: https://svnweb.freebsd.org/changeset/base/282968
Log:
MFC r279821:
In TCP, connect() can return incorrect error code EINVAL
instead of EADDRINUSE or ECONNREFUSED
PR: 196035
Differential Revision: https://reviews.freebsd.org/D1982
Reported by: Mark Nunberg <mnunb...@haskalah.org>
Submitted by: Harrison Grundy
<harrison.gru...@astrodoggroup.com>
Reviewed by: adrian, jch, glebius, gnn
Approved by: jhb
Modified:
stable/10/sys/netinet/tcp_usrreq.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/netinet/tcp_usrreq.c
==============================================================================
--- stable/10/sys/netinet/tcp_usrreq.c Fri May 15 12:32:17 2015
(r282967)
+++ stable/10/sys/netinet/tcp_usrreq.c Fri May 15 12:35:18 2015
(r282968)
@@ -475,8 +475,12 @@ tcp_usr_connect(struct socket *so, struc
inp = sotoinpcb(so);
KASSERT(inp != NULL, ("tcp_usr_connect: inp == NULL"));
INP_WLOCK(inp);
- if (inp->inp_flags & (INP_TIMEWAIT | INP_DROPPED)) {
- error = EINVAL;
+ if (inp->inp_flags & INP_TIMEWAIT) {
+ error = EADDRINUSE;
+ goto out;
+ }
+ if (inp->inp_flags & INP_DROPPED) {
+ error = ECONNREFUSED;
goto out;
}
tp = intotcpcb(inp);
@@ -522,8 +526,12 @@ tcp6_usr_connect(struct socket *so, stru
inp = sotoinpcb(so);
KASSERT(inp != NULL, ("tcp6_usr_connect: inp == NULL"));
INP_WLOCK(inp);
- if (inp->inp_flags & (INP_TIMEWAIT | INP_DROPPED)) {
- error = EINVAL;
+ if (inp->inp_flags & INP_TIMEWAIT) {
+ error = EADDRINUSE;
+ goto out;
+ }
+ if (inp->inp_flags & INP_DROPPED) {
+ error = ECONNREFUSED;
goto out;
}
tp = intotcpcb(inp);
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