From b4e21fd3f6eb3b11773a9588d2da2fb10b470dd2 Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthm@freeswitch.org>
Date: Wed, 27 Mar 2013 15:39:10 -0500
Subject: [PATCH] FS-5229 --resolve oops, i missed the part that its subsequent
 calls to displace

---
 src/switch_ivr_async.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/switch_ivr_async.c b/src/switch_ivr_async.c
index 1e1e10eeaa..e2ef526af8 100644
--- a/src/switch_ivr_async.c
+++ b/src/switch_ivr_async.c
@@ -844,8 +844,9 @@ static switch_bool_t write_displace_callback(switch_media_bug_t *bug, void *user
 				}
 			} else {
 				st = switch_core_file_read(&dh->fh, rframe->data, &len);
-				rframe->samples = (uint32_t) len;
-				rframe->datalen = rframe->samples * 2;
+				if (len < rframe->samples) {
+					memset(rframe->data, 0, rframe->datalen - len * 2);
+				}
 			}
 
 			if (st != SWITCH_STATUS_SUCCESS || len == 0) {