[src/trunk]: src/sys/dev/usb Handle an error from uhidev_get_report in ucycom...

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

details:   https://anonhg.NetBSD.org/src/rev/86f81657dd4c
branches:  trunk
changeset: 790485:86f81657dd4c
user:      skrll <skrll%NetBSD.org@localhost>
date:      Mon Oct 14 18:15:12 2013 +0000

description:
Handle an error from uhidev_get_report in ucycom_get_cfg

diffstat:

 sys/dev/usb/ucycom.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r fff07796dfe9 -r 86f81657dd4c sys/dev/usb/ucycom.c
--- a/sys/dev/usb/ucycom.c      Mon Oct 14 18:14:08 2013 +0000
+++ b/sys/dev/usb/ucycom.c      Mon Oct 14 18:15:12 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ucycom.c,v 1.36 2013/09/15 15:06:04 martin Exp $       */
+/*     $NetBSD: ucycom.c,v 1.37 2013/10/14 18:15:12 skrll Exp $        */
 
 /*
  * Copyright (c) 2005 The NetBSD Foundation, Inc.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ucycom.c,v 1.36 2013/09/15 15:06:04 martin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ucycom.c,v 1.37 2013/10/14 18:15:12 skrll Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1096,6 +1096,10 @@
 
        err = uhidev_get_report(&sc->sc_hdev, UHID_FEATURE_REPORT,
            report, sc->sc_flen);
+       if (err) {
+               DPRINTF(("%s: failed\n", __func__));
+               return;
+       }
        cfg = report[4];
        baud = (report[3] << 24) + (report[2] << 16) + (report[1] << 8) +
            report[0];