From 750067bd1a089b9dcf11be120176201a03033ed0 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 27 Feb 2008 17:33:04 +0000
Subject: [PATCH] Fix a problem in ChanSpy where it could get stuck in an
 infinite loop without being able to detect that the calling channel hung up.
 (closes issue #12076, reported by junky, patched by me)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@104625 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 apps/app_chanspy.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/apps/app_chanspy.c b/apps/app_chanspy.c
index 297bbec97c..e25389520e 100644
--- a/apps/app_chanspy.c
+++ b/apps/app_chanspy.c
@@ -538,6 +538,12 @@ static int common_exec(struct ast_channel *chan, const struct ast_flags *flags,
 				break;
 			}
 
+			if (ast_check_hangup(chan)) {
+				ast_channel_unlock(peer);
+				chanspy_ds_free(peer_chanspy_ds);
+				break;
+			}
+
 			if (peer == chan) {
 				ast_channel_unlock(peer);
 				continue;
@@ -633,7 +639,7 @@ static int common_exec(struct ast_channel *chan, const struct ast_flags *flags,
 				peer = NULL;
 			}
 		}
-		if (res == -1)
+		if (res == -1 || ast_check_hangup(chan))
 			break;
 	}