d/freebsd-nq
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When scanning for control messages, don't process the data mbufs.

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This could cause hangs if a unix domain socket was closed with data
still to be read from it.

Tested by:	Andrea Campi <andrea@webcom.it>
This commit is contained in:
David Malone 2001-10-29 20:04:03 +00:00
parent 4091481652
commit 12396bdca7
1 changed files with 1 additions and 1 deletions
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2
sys/kern/uipc_usrreq.c
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@ -1420,7 +1420,7 @@ unp_scan(m0, op)
while (m0) {
for (m = m0; m; m = m->m_next) {
if (m->m_type == MT_CONTROL)
if (m->m_type != MT_CONTROL)
continue;
cm = mtod(m, struct cmsghdr *);