From: Moises Silva <moises.silva@gmail.com>
Date: Fri, 3 Dec 2010 19:13:43 +0000 (-0500)
Subject: freetdm: do not write to io dump if is not enabled
X-Git-Tag: v1.2-rc1~243^2~4^2~5^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b156f4d03f6d3a65a59fe7d6f0217fca2c8fdf60;p=thirdparty%2Ffreeswitch.git

freetdm: do not write to io dump if is not enabled
---

diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index c43d694dee..495be78ff1 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -91,6 +91,10 @@ static void write_chan_io_dump(ftdm_channel_t *fchan, ftdm_io_dump_t *dump, char
 	int windex = dump->windex;
 	int avail = dump->size - windex;
 
+	if (!dump->buffer) {
+		return;
+	}
+
 	if (dlen > avail) {
 		int diff = dlen - avail;