Don't close the second file descriptor if it's the same as the first one, as it will have already been closed elsewhere and could cause massive panic. (issue #7699 reported by bn999)

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.2@42148 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 2 insertions, 1 deletions

diff --git a/res/res_agi.c b/res/res_agi.c
index e9b275ed0..de4c7be39 100644
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -2047,7 +2047,8 @@ static int agi_exec_full(struct ast_channel *chan, void *data, int enhanced, int
 		agi.ctrl = fds[0];
 		agi.audio = efd;
 		res = run_agi(chan, argv[0], &agi, pid, dead);
-		close(fds[1]);
+		if (fds[1] != fds[0])
+			close(fds[1]);
 		if (efd > -1)
 			close(efd);
 	}