From 0de57c07d89442482fdc35e15030e9a5fc9b2cee Mon Sep 17 00:00:00 2001
From: Seven Du <dujinfang@gmail.com>
Date: Sat, 22 Sep 2018 16:51:39 +0800
Subject: [PATCH] FS-11014 FS-11404 fix libfvad might be enabled unexpectedly
 when set_mode is called

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

diff --git a/src/switch_vad.c b/src/switch_vad.c
index 5488898cd4..0e0e7f0961 100644
--- a/src/switch_vad.c
+++ b/src/switch_vad.c
@@ -95,8 +95,9 @@ SWITCH_DECLARE(int) switch_vad_set_mode(switch_vad_t *vad, int mode)
 #ifdef SWITCH_HAVE_FVAD
 	int ret = 0;
 
-	if (mode < 0 && vad->fvad) {
-		fvad_free(vad->fvad);
+	if (mode < 0) {
+		if (vad->fvad) fvad_free(vad->fvad);
+
 		vad->fvad = NULL;
 		return ret;
 	} else if (mode > 3) {