[src/netbsd-1-5]: src/sys/kern Pull up revision 1.36 (requested by he):

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

details:   https://anonhg.NetBSD.org/src/rev/21c3ed7418a4
branches:  netbsd-1-5
changeset: 491876:21c3ed7418a4
user:      he <he%NetBSD.org@localhost>
date:      Sun Jun 10 18:56:03 2001 +0000

description:
Pull up revision 1.36 (requested by he):
  Fix calculation of whether we overflow the end of the extent.
  Fixes PR#13075.

diffstat:

 sys/kern/subr_extent.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r 6d46be4e61c4 -r 21c3ed7418a4 sys/kern/subr_extent.c
--- a/sys/kern/subr_extent.c    Sun Jun 10 18:47:42 2001 +0000
+++ b/sys/kern/subr_extent.c    Sun Jun 10 18:56:03 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_extent.c,v 1.32.2.1 2000/06/27 21:54:03 thorpej Exp $     */
+/*     $NetBSD: subr_extent.c,v 1.32.2.2 2001/06/10 18:56:03 he Exp $  */
 
 /*-
  * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
@@ -695,7 +695,7 @@
                                 * overflows, then the request
                                 * can't fit.
                                 */
-                               if (dontcross > ex->ex_end ||
+                               if (newstart + size - 1 > ex->ex_end ||
                                    dontcross < newstart)
                                        goto fail;
                        }
@@ -789,7 +789,7 @@
                         * overflows, then the request
                         * can't fit.
                         */
-                       if (dontcross > ex->ex_end ||
+                       if (newstart + size - 1 > ex->ex_end ||
                            dontcross < newstart)
                                goto fail;
                }