[src/trunk]: src/sys/arch/cobalt/stand/boot avoid pointer aliasing issues

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

details:   https://anonhg.NetBSD.org/src/rev/98433aa32716
branches:  trunk
changeset: 767022:98433aa32716
user:      mrg <mrg%NetBSD.org@localhost>
date:      Thu Jul 07 06:01:51 2011 +0000

description:
avoid pointer aliasing issues

diffstat:

 sys/arch/cobalt/stand/boot/wd.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (23 lines):

diff -r c0c6c9314a23 -r 98433aa32716 sys/arch/cobalt/stand/boot/wd.c
--- a/sys/arch/cobalt/stand/boot/wd.c   Thu Jul 07 06:01:30 2011 +0000
+++ b/sys/arch/cobalt/stand/boot/wd.c   Thu Jul 07 06:01:51 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: wd.c,v 1.13 2010/07/11 17:09:27 he Exp $       */
+/*     $NetBSD: wd.c,v 1.14 2011/07/07 06:01:51 mrg Exp $      */
 
 /*-
  * Copyright (c) 2003 The NetBSD Foundation, Inc.
@@ -55,11 +55,12 @@
 {
        int error;
        uint8_t buf[DEV_BSIZE];
+       struct ataparams *params = (struct ataparams *)buf;
 
        if ((error = wdc_exec_identify(wd, buf)) != 0)
                return error;
 
-       wd->sc_params = *(struct ataparams *)buf;
+       wd->sc_params = *params;
 
        /* 48-bit LBA addressing */
        if ((wd->sc_params.atap_cmd2_en & ATA_CMD2_LBA48) != 0)