From 56854f22d2509edbd0dfbae592480ff618c79a7b Mon Sep 17 00:00:00 2001
From: Richard Mudgett <rmudgett@digium.com>
Date: Tue, 10 Jan 2017 12:30:57 -0600
Subject: [PATCH] res_musiconhold.c: Fix format ref leak when parsing MOH
 config class.

Change-Id: Ica8e8e2ce7604c2c61ec55bef07dc675361d2ea5
---
 res/res_musiconhold.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/res/res_musiconhold.c b/res/res_musiconhold.c
index 3a751ecce6..70bb040182 100644
--- a/res/res_musiconhold.c
+++ b/res/res_musiconhold.c
@@ -1058,13 +1058,14 @@ static void moh_parse_options(struct ast_variable *var, struct mohclass *mohclas
 				ast_set_flag(mohclass, MOH_RANDSTART);
 			}
 		} else if (!strcasecmp(var->name, "format")) {
+			ao2_cleanup(mohclass->format);
 			mohclass->format = ast_format_cache_get(var->value);
 			if (!mohclass->format) {
 				ast_log(LOG_WARNING, "Unknown format '%s' -- defaulting to SLIN\n", var->value);
 				mohclass->format = ao2_bump(ast_format_slin);
 			}
-               }
-       }
+		}
+	}
 }
 
 static int moh_add_file(struct mohclass *class, const char *filepath)
-- 
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