[src/trunk]: src/sys/uvm PR/52384: make uvm_fault_check() return EFAULT not E...

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

details:   https://anonhg.NetBSD.org/src/rev/26d7432f81d8
branches:  trunk
changeset: 825331:26d7432f81d8
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Jul 09 20:53:09 2017 +0000

description:
PR/52384: make uvm_fault_check() return EFAULT not EACCES, like our man pages
(but not OpenGroup which does not document EFAULT for read/write, and only
documents EACCES for sockets) say for read/write.

diffstat:

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

diffs (27 lines):

diff -r 044fbb4d9d76 -r 26d7432f81d8 sys/uvm/uvm_fault.c
--- a/sys/uvm/uvm_fault.c       Sun Jul 09 20:21:08 2017 +0000
+++ b/sys/uvm/uvm_fault.c       Sun Jul 09 20:53:09 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_fault.c,v 1.199 2017/03/20 15:51:41 skrll Exp $    */
+/*     $NetBSD: uvm_fault.c,v 1.200 2017/07/09 20:53:09 christos Exp $ */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_fault.c,v 1.199 2017/03/20 15:51:41 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_fault.c,v 1.200 2017/07/09 20:53:09 christos Exp $");
 
 #include "opt_uvmhist.h"
 
@@ -950,7 +950,7 @@
                    "<- protection failure (prot=%#x, access=%#x)",
                    ufi->entry->protection, flt->access_type, 0, 0);
                uvmfault_unlockmaps(ufi, false);
-               return EACCES;
+               return EFAULT;
        }
 
        /*