[src/trunk]: src/usr.sbin/btattach Check return values.

[kiyohara <kiyohara%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8b0adec9f45f
branches:  trunk
changeset: 749709:8b0adec9f45f
user:      kiyohara <kiyohara%NetBSD.org@localhost>
date:      Sun Dec 06 12:31:07 2009 +0000

description:
Check return values.

diffstat:

 usr.sbin/btattach/init_stlc2500.c |  11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diffs (32 lines):

diff -r 3dad8761802a -r 8b0adec9f45f usr.sbin/btattach/init_stlc2500.c
--- a/usr.sbin/btattach/init_stlc2500.c Sun Dec 06 12:29:48 2009 +0000
+++ b/usr.sbin/btattach/init_stlc2500.c Sun Dec 06 12:31:07 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: init_stlc2500.c,v 1.1 2008/04/15 11:17:48 plunky Exp $ */
+/*     $NetBSD: init_stlc2500.c,v 1.2 2009/12/06 12:31:07 kiyohara Exp $       */
 
 /*-
  * Copyright (c) 2008 Iain Hibbert
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: init_stlc2500.c,v 1.1 2008/04/15 11:17:48 plunky Exp $");
+__RCSID("$NetBSD: init_stlc2500.c,v 1.2 2009/12/06 12:31:07 kiyohara Exp $");
 
 #include <bluetooth.h>
 #include <err.h>
@@ -113,9 +113,10 @@
        /* STLC2500 has an ericsson core */
        init_ericsson(fd, speed);
 
-       tcgetattr(fd, &tio);
-       cfsetspeed(&tio, speed);
-       tcsetattr(fd, TCSANOW, &tio);
+       if (tcgetattr(fd, &tio) != 0 ||
+           cfsetspeed(&tio, speed) != 0 ||
+           tcsetattr(fd, TCSANOW, &tio) != 0)
+               err(EXIT_FAILURE, "can't change baud rate");
 
        uart_send_cmd(fd, HCI_CMD_READ_LOCAL_VER, NULL, 0);
        n = uart_recv_cc(fd, HCI_CMD_READ_LOCAL_VER, &rp, sizeof(rp));