From 0b81ffabd1ffcf728c8d5a3775abf387383fa7da Mon Sep 17 00:00:00 2001
From: Werner Almesberger <werner@almesberger.net>
Date: Mon, 31 Dec 2012 19:28:46 -0300
Subject: [PATCH] swuart-chat/chat.c (main): use perror if swuart_open fails

---
 swuart-chat/chat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/swuart-chat/chat.c b/swuart-chat/chat.c
index b9a98ba..b48bc62 100644
--- a/swuart-chat/chat.c
+++ b/swuart-chat/chat.c
@@ -81,7 +81,7 @@ int main(int argc, char **argv)
 	atexit(at_exit);
 	raw();
 	if (swuart_open(TX, RX, 38400) < 0) {
-		fprintf(stderr, "swuart_open failed\n");
+		perror("swuart_open");
 		exit(1);
 	}