Author: tuexen
Date: Thu May 16 09:16:47 2019
New Revision: 347671
URL: https://svnweb.freebsd.org/changeset/base/347671
Log:
MFC r344925:
Fix locking bug.
Modified:
stable/11/sys/netinet/sctp_usrreq.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/netinet/sctp_usrreq.c
==============================================================================
--- stable/11/sys/netinet/sctp_usrreq.c Thu May 16 09:15:18 2019
(r347670)
+++ stable/11/sys/netinet/sctp_usrreq.c Thu May 16 09:16:47 2019
(r347671)
@@ -4069,10 +4069,12 @@ sctp_setopt(struct socket *so, int optname, void *optv
}
SCTP_FIND_STCB(inp, stcb, av->assoc_id);
if (stcb) {
+ SCTP_TCB_SEND_LOCK(stcb);
stcb->asoc.ss_functions.sctp_ss_clear(stcb,
&stcb->asoc, 1, 1);
stcb->asoc.ss_functions =
sctp_ss_functions[av->assoc_value];
stcb->asoc.stream_scheduling_module =
av->assoc_value;
stcb->asoc.ss_functions.sctp_ss_init(stcb,
&stcb->asoc, 1);
+ SCTP_TCB_SEND_UNLOCK(stcb);
SCTP_TCB_UNLOCK(stcb);
} else {
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE)
||
@@ -4088,10 +4090,12 @@ sctp_setopt(struct socket *so, int optname, void *optv
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb,
&inp->sctp_asoc_list, sctp_tcblist) {
SCTP_TCB_LOCK(stcb);
+ SCTP_TCB_SEND_LOCK(stcb);
stcb->asoc.ss_functions.sctp_ss_clear(stcb, &stcb->asoc, 1, 1);
stcb->asoc.ss_functions =
sctp_ss_functions[av->assoc_value];
stcb->asoc.stream_scheduling_module = av->assoc_value;
stcb->asoc.ss_functions.sctp_ss_init(stcb, &stcb->asoc, 1);
+ SCTP_TCB_SEND_UNLOCK(stcb);
SCTP_TCB_UNLOCK(stcb);
}
SCTP_INP_RUNLOCK(inp);
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