From: Petr Štetiar <ynezz@true.cz>
Date: Wed, 27 Jul 2016 12:45:50 +0000 (+0200)
Subject: Bail out if we can't find GPS device
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fugps.git;a=commitdiff_plain;h=442c54998883cd27d1d12ee04595d70b843ab444

Bail out if we can't find GPS device

Signed-off-by: Petr Štetiar <ynezz@true.cz>
---

diff --git a/main.c b/main.c
index 87d069b..6ff4c17 100644
--- a/main.c
+++ b/main.c
@@ -145,7 +145,10 @@ main(int argc, char ** argv)
 	conn.path = ubus_socket;
 	conn.cb = ubus_connect_handler;
 	ubus_auto_connect(&conn);
-	nmea_open(argv[1], &stream, B4800);
+
+	if (nmea_open(device, &stream, B4800) < 0)
+		return -1;
+
 	uloop_run();
 	uloop_done();