From f2175c5a393491d55bfdc914b990cec691139a30 Mon Sep 17 00:00:00 2001
From: Corey Farrell <git@cfware.com>
Date: Tue, 31 Oct 2017 14:18:45 -0400
Subject: [PATCH] res_ari_channels: Fix reference leak in
 channel_state_invalid.

channel_state_invalid leaked a reference to the channel snapshot any
time it was aquired.

ASTERISK-27067 #close

Change-Id: I8c653f00416b39978513c5605c4be0f03b1df29a
---
 res/ari/resource_channels.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/res/ari/resource_channels.c b/res/ari/resource_channels.c
index 6027a8059a..6b4f26c25a 100644
--- a/res/ari/resource_channels.c
+++ b/res/ari/resource_channels.c
@@ -99,9 +99,13 @@ static int channel_state_invalid(struct stasis_app_control *control,
 		|| snapshot->state == AST_STATE_RINGING) {
 		ast_ari_response_error(response, 412, "Precondition Failed",
 			"Channel in invalid state");
+		ao2_ref(snapshot, -1);
+
 		return -1;
 	}
 
+	ao2_ref(snapshot, -1);
+
 	return 0;
 }