[src/trunk]: src/sys/arch/arm/arm32 Fix bug in vmapbuf, was using len before ...

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

details:   https://anonhg.NetBSD.org/src/rev/98f06b90e653
branches:  trunk
changeset: 515263:98f06b90e653
user:      chris <chris%NetBSD.org@localhost>
date:      Thu Sep 20 23:32:23 2001 +0000

description:
Fix bug in vmapbuf, was using len before it had been adjusted.  Found by Frank while Luke was tracking down a bug.

diffstat:

 sys/arch/arm/arm32/vm_machdep.c |  5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diffs (22 lines):

diff -r 58d7cedc5277 -r 98f06b90e653 sys/arch/arm/arm32/vm_machdep.c
--- a/sys/arch/arm/arm32/vm_machdep.c   Thu Sep 20 22:46:04 2001 +0000
+++ b/sys/arch/arm/arm32/vm_machdep.c   Thu Sep 20 23:32:23 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vm_machdep.c,v 1.6 2001/09/10 21:19:35 chris Exp $     */
+/*     $NetBSD: vm_machdep.c,v 1.7 2001/09/20 23:32:23 chris Exp $     */
 
 /*
  * Copyright (c) 1994-1998 Mark Brinicombe.
@@ -324,11 +324,10 @@
        if ((bp->b_flags & B_PHYS) == 0)
                panic("vmapbuf");
 
-       taddr = uvm_km_valloc_wait(phys_map, len);
-
        faddr = trunc_page((vaddr_t)bp->b_saveaddr = bp->b_data);
        off = (vaddr_t)bp->b_data - faddr;
        len = round_page(off + len);
+       taddr = uvm_km_valloc_wait(phys_map, len);
        bp->b_data = (caddr_t)(taddr + off);
 
        /*