[src/trunk]: src/sys/dev/ata use memmove() not memcpy() for overlapping regions.

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

details:   https://anonhg.NetBSD.org/src/rev/ece8df4cea6a
branches:  trunk
changeset: 455015:ece8df4cea6a
user:      mrg <mrg%NetBSD.org@localhost>
date:      Fri Oct 04 12:24:32 2019 +0000

description:
use memmove() not memcpy() for overlapping regions.

diffstat:

 sys/dev/ata/ata_raid_intel.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 718d794cecf5 -r ece8df4cea6a sys/dev/ata/ata_raid_intel.c
--- a/sys/dev/ata/ata_raid_intel.c      Fri Oct 04 12:24:12 2019 +0000
+++ b/sys/dev/ata/ata_raid_intel.c      Fri Oct 04 12:24:32 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ata_raid_intel.c,v 1.9 2018/10/22 19:38:06 jdolecek Exp $      */
+/*     $NetBSD: ata_raid_intel.c,v 1.10 2019/10/04 12:24:32 mrg Exp $  */
 
 /*-
  * Copyright (c) 2000-2008 Søren Schmidt <sos%FreeBSD.org@localhost>
@@ -33,7 +33,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ata_raid_intel.c,v 1.9 2018/10/22 19:38:06 jdolecek Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ata_raid_intel.c,v 1.10 2019/10/04 12:24:32 mrg Exp $");
 
 #include <sys/param.h>
 #include <sys/buf.h>
@@ -176,7 +176,7 @@
 
        tmp = (char *)info;
        (void)memcpy(tmp + 1024, tmp, 512);
-       (void)memcpy(tmp, tmp + 512, 1024);
+       (void)memmove(tmp, tmp + 512, 1024);
        (void)memset(tmp + 1024, 0, 512);
 
        /* Check if this is a Intel RAID struct */