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Sync OpenBSD patchset 808:

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server_kill_window can modify the RB tree so don't use RB_FOREACH, fixes
crash seen by Dan Harnett.
This commit is contained in:
Tiago Cunha
2010-12-25 23:44:37 +00:00
parent 3585feca54
commit 3cd9ea1789
1 changed files with 7 additions and 3 deletions
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10
server-fn.c
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@@ -1,4 +1,4 @@
/* $Id: server-fn.c,v 1.116 2010-12-22 15:36:44 tcunha Exp $ */
/* $Id: server-fn.c,v 1.117 2010-12-25 23:44:37 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -239,10 +239,14 @@ server_lock_client(struct client *c)
void
server_kill_window(struct window *w)
{
struct session *s;
struct session *s, *next_s;
struct winlink *wl;
RB_FOREACH(s, sessions, &sessions) {
next_s = RB_MIN(sessions, &sessions);
while (next_s != NULL) {
s = next_s;
next_s = RB_NEXT(sessions, &sessions, s);
if (session_has(s, w) == NULL)
continue;
while ((wl = winlink_find_by_window(&s->windows, w)) != NULL) {