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Fix some off-by-one errors.

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This commit is contained in:
mycroft 1993-06-29 13:47:05 +00:00
parent c1436e5003
commit d94e5eecbb
1 changed files with 3 additions and 3 deletions
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6
sys/vm/vm_glue.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE.
*
* from: @(#)vm_glue.c 7.8 (Berkeley) 5/15/91
* $Id: vm_glue.c,v 1.6 1993/06/29 07:16:31 andrew Exp $
* $Id: vm_glue.c,v 1.7 1993/06/29 13:47:05 mycroft Exp $
*
*
* Copyright (c) 1987, 1990 Carnegie-Mellon University.
@ -120,8 +120,8 @@ useracc(addr, len, rw)
* only used (as an end address) in trap.c. Use it as an end
* address here too.
*/
if ((vm_offset_t) addr > VM_MAXUSER_ADDRESS
|| (vm_offset_t) addr + (len-1) > VM_MAXUSER_ADDRESS
if ((vm_offset_t) addr >= VM_MAXUSER_ADDRESS
|| (vm_offset_t) addr + (len-1) >= VM_MAXUSER_ADDRESS
|| (vm_offset_t) addr + (len-1) < (vm_offset_t) addr)
return (FALSE);