swuart-chat/chat.c (main): use perror if swuart_open fails

This commit is contained in:
Werner Almesberger
2012-12-31 19:28:46 -03:00
parent 5f3828f710
commit 0b81ffabd1
+1 -1
View File
@@ -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);
}