Module Name: src Committed By: riz Date: Sat Aug 18 22:03:24 UTC 2012
Modified Files: src/sys/uvm [netbsd-6]: uvm_map.c Log Message: Pull up following revision(s) (requested by chs in ticket #508): sys/uvm/uvm_map.c: revision 1.319 avoid leaking a uvm_object reference when merging a new map entry with the entries on both sides. fixes PR 46807. To generate a diff of this commit: cvs rdiff -u -r1.313.2.2 -r1.313.2.3 src/sys/uvm/uvm_map.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/uvm/uvm_map.c diff -u src/sys/uvm/uvm_map.c:1.313.2.2 src/sys/uvm/uvm_map.c:1.313.2.3 --- src/sys/uvm/uvm_map.c:1.313.2.2 Thu Apr 12 17:05:37 2012 +++ src/sys/uvm/uvm_map.c Sat Aug 18 22:03:24 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: uvm_map.c,v 1.313.2.2 2012/04/12 17:05:37 riz Exp $ */ +/* $NetBSD: uvm_map.c,v 1.313.2.3 2012/08/18 22:03:24 riz Exp $ */ /* * Copyright (c) 1997 Charles D. Cranor and Washington University. @@ -66,7 +66,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.313.2.2 2012/04/12 17:05:37 riz Exp $"); +__KERNEL_RCSID(0, "$NetBSD: uvm_map.c,v 1.313.2.3 2012/08/18 22:03:24 riz Exp $"); #include "opt_ddb.h" #include "opt_uvmhist.h" @@ -1466,9 +1466,8 @@ forwardmerge: /* * drop our reference to uobj since we are extending a reference * that we already have (the ref count can not drop to zero). - * (if merged, we've already detached) */ - if (uobj && uobj->pgops->pgo_detach && !merged) + if (uobj && uobj->pgops->pgo_detach) uobj->pgops->pgo_detach(uobj); if (merged) {