[src/trunk]: src/sys/arch/amiga/amiga fix off-by-one

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

details:   https://anonhg.NetBSD.org/src/rev/a264d838574e
branches:  trunk
changeset: 822009:a264d838574e
user:      rin <rin%NetBSD.org@localhost>
date:      Sat Feb 25 22:40:18 2017 +0000

description:
fix off-by-one

diffstat:

 sys/arch/amiga/amiga/disksubr.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 0c91a8214c76 -r a264d838574e sys/arch/amiga/amiga/disksubr.c
--- a/sys/arch/amiga/amiga/disksubr.c   Sat Feb 25 21:16:50 2017 +0000
+++ b/sys/arch/amiga/amiga/disksubr.c   Sat Feb 25 22:40:18 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disksubr.c,v 1.63 2015/07/04 06:13:01 maxv Exp $       */
+/*     $NetBSD: disksubr.c,v 1.64 2017/02/25 22:40:18 rin Exp $        */
 
 /*
  * Copyright (c) 1982, 1986, 1988 Regents of the University of California.
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: disksubr.c,v 1.63 2015/07/04 06:13:01 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: disksubr.c,v 1.64 2017/02/25 22:40:18 rin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -378,7 +378,7 @@
 #ifdef DIAGNOSTIC
                if (lp->d_secpercyl * lp->d_secsize !=
                    (pbp->e.secpertrk * pbp->e.numheads * pbp->e.sizeblock<<2)) {
-                       if (pbp->partname[0] < sizeof(pbp->partname))
+                       if (pbp->partname[0] + 1 < sizeof(pbp->partname))
                                pbp->partname[pbp->partname[0] + 1] = 0;
                        else
                                pbp->partname[sizeof(pbp->partname) - 1] = 0;