dovecot-2.0: master: Fixed crash on deinit (maybe also on reload).

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/334d9b18f437
changeset: 11577:334d9b18f437
user:      Timo Sirainen <tss at iki.fi>
date:      Fri Jun 18 16:27:45 2010 +0100
description:
master: Fixed crash on deinit (maybe also on reload).

diffstat:

 src/master/service.c |  4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diffs (14 lines):

diff -r 99d56a37edd0 -r 334d9b18f437 src/master/service.c
--- a/src/master/service.c	Thu Jun 17 21:09:24 2010 +0100
+++ b/src/master/service.c	Fri Jun 18 16:27:45 2010 +0100
@@ -620,6 +620,10 @@
 		switch ((*listenerp)->type) {
 		case SERVICE_LISTENER_UNIX:
 		case SERVICE_LISTENER_INET:
+			if ((*listenerp)->fd != -1) {
+				/* already stopped listening */
+				break;
+			}
 			while ((fd = net_accept((*listenerp)->fd,
 						NULL, NULL)) >= 0)
 				(void)close(fd);