gatchat: Fix unused variable cases

2 files changed, 17 insertions, 0 deletions

diff --git a/gatchat/gathdlc.c b/gatchat/gathdlc.c
index 1d5f239c..130e3cce 100644
--- a/gatchat/gathdlc.c
+++ b/gatchat/gathdlc.c
@@ -95,13 +95,28 @@ static void hdlc_record(int fd, gboolean in, guint8 *data, guint16 length)
 	ts = htonl(now.tv_sec & 0xffffffff);
 
 	id = 0x07;
+
 	err = write(fd, &id, 1);
+	if (err < 0)
+		return;
+
 	err = write(fd, &ts, 4);
+	if (err < 0)
+		return;
 
 	id = in ? 0x02 : 0x01;
+
 	err = write(fd, &id, 1);
+	if (err < 0)
+		return;
+
 	err = write(fd, &len, 2);
+	if (err < 0)
+		return;
+
 	err = write(fd, data, length);
+	if (err < 0)
+		return;
 }
 
 void g_at_hdlc_set_recording(GAtHDLC *hdlc, const char *filename)
diff --git a/gatchat/ppp_net.c b/gatchat/ppp_net.c
index 6facc6d7..7ce7bc81 100644
--- a/gatchat/ppp_net.c
+++ b/gatchat/ppp_net.c
@@ -87,6 +87,8 @@ void ppp_net_process_packet(struct ppp_net *net, const guint8 *packet)
 	len = get_host_short(&packet[2]);
 	status = g_io_channel_write_chars(net->channel, (gchar *) packet,
 						len, &bytes_written, NULL);
+	if (status != G_IO_STATUS_NORMAL)
+		return;
 }
 
 /*