From: Mark Spencer <markster@digium.com>
Date: Mon, 26 Jul 2004 13:16:57 +0000 (+0000)
Subject: Fix potential transfer seg
X-Git-Tag: 1.0.0-rc2~91
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0abd9ec09657db53d291fe881602dece51cae889;p=thirdparty%2Fasterisk.git

Fix potential transfer seg


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3513 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_zap.c b/channels/chan_zap.c
index 2510763a8a..1bdc078609 100755
--- a/channels/chan_zap.c
+++ b/channels/chan_zap.c
@@ -3210,7 +3210,8 @@ static struct ast_frame *zt_handle_event(struct ast_channel *ast)
 									p->subs[SUB_THREEWAY].owner->_softhangup |= AST_SOFTHANGUP_DEV;
 								else if (res) {
 									/* Don't actually hang up at this point */
-									ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock);
+									if (p->subs[SUB_THREEWAY].owner)
+										ast_mutex_unlock(&p->subs[SUB_THREEWAY].owner->lock);
 									break;
 								}
 							} else