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Return EFBIG from mmap() if we try to map too much data and in the fixed 

address allocation, return EOVERFLOW to match with the non-fixed error.
This commit is contained in:
darrenr 2002-03-22 11:06:33 +00:00
parent db91979e36
commit 256089809f
1 changed files with 4 additions and 4 deletions
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8
sys/uvm/uvm_mmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_mmap.c,v 1.62 2001/12/14 04:21:22 chs Exp $ */
/* $NetBSD: uvm_mmap.c,v 1.63 2002/03/22 11:06:33 darrenr Exp $ */
/*
* Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -51,7 +51,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_mmap.c,v 1.62 2001/12/14 04:21:22 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_mmap.c,v 1.63 2002/03/22 11:06:33 darrenr Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -340,11 +340,11 @@ sys_mmap(p, v, retval)
if (VM_MAXUSER_ADDRESS > 0 &&
(addr + size) > VM_MAXUSER_ADDRESS)
return (EINVAL);
return (EFBIG);
if (vm_min_address > 0 && addr < vm_min_address)
return (EINVAL);
if (addr > addr + size)
return (EINVAL); /* no wrapping! */
return (EOVERFLOW); /* no wrapping! */
} else {