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authorOwain Ainsworth <oga@cvs.openbsd.org>2009-06-09 20:08:00 +0000
committerOwain Ainsworth <oga@cvs.openbsd.org>2009-06-09 20:08:00 +0000
commitb9e2974d0a2d4e8779ad73763cc9f4236fc09512 (patch)
tree6fc8cb1fee3dc48d2a4f23a4ed176fee0107c20d
parent50fceffbaa89a63808f3d48011469346773dfd15 (diff)
correct loop in debug code to not use an uninitialised page. it was
ass-backwards. afaik this was found by the LLVM CLang static analyser. ok ariane@ a couple of days ago.
-rw-r--r--sys/uvm/uvm_map.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/sys/uvm/uvm_map.c b/sys/uvm/uvm_map.c
index 70e60fd2b56..ed2484a4555 100644
--- a/sys/uvm/uvm_map.c
+++ b/sys/uvm/uvm_map.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uvm_map.c,v 1.113 2009/06/06 17:46:44 art Exp $ */
+/* $OpenBSD: uvm_map.c,v 1.114 2009/06/09 20:07:59 oga Exp $ */
/* $NetBSD: uvm_map.c,v 1.86 2000/11/27 08:40:03 chs Exp $ */
/*
@@ -3834,10 +3834,8 @@ static const char page_flagbits[] =
"\31PMAP1\32PMAP2\33PMAP3";
void
-uvm_page_printit(pg, full, pr)
- struct vm_page *pg;
- boolean_t full;
- int (*pr)(const char *, ...);
+uvm_page_printit(struct vm_page *pg, boolean_t full,
+ int (*pr)(const char *, ...))
{
struct vm_page *tpg;
struct uvm_object *uobj;
@@ -3874,7 +3872,7 @@ uvm_page_printit(pg, full, pr)
uobj = pg->uobject;
if (uobj) {
(*pr)(" checking object list\n");
- RB_FOREACH(pg, uobj_pgs, &uobj->memt) {
+ RB_FOREACH(tpg, uobj_pgs, &uobj->memt) {
if (tpg == pg) {
break;
}