From 456f263445770616a424022780e7feebd881a061 Mon Sep 17 00:00:00 2001
From: "Alfred E. Heggestad" <alfred.heggestad@gmail.com>
Date: Sun, 26 Mar 2017 16:59:30 +0200
Subject: dtmfio: check fd before calling fclose (ref #224)

---
 modules/dtmfio/dtmfio.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'modules/dtmfio')

diff --git a/modules/dtmfio/dtmfio.c b/modules/dtmfio/dtmfio.c
index ce88743..e159888 100644
--- a/modules/dtmfio/dtmfio.c
+++ b/modules/dtmfio/dtmfio.c
@@ -130,7 +130,10 @@ static int module_close(void)
 {
 	uag_event_unregister(ua_event_handler);
 
-	fclose(fd);
+	if (fd) {
+		fclose(fd);
+		fd = NULL;
+	}
 
 	unlink(DTMF_OUT);
 
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