[src/trunk]: src/sys/external/bsd/drm2/linux Don't leak KVA by forgetting to ...

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

details:   https://anonhg.NetBSD.org/src/rev/19d47e034f6d
branches:  trunk
changeset: 794926:19d47e034f6d
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Fri Mar 28 23:22:27 2014 +0000

description:
Don't leak KVA by forgetting to call uvm_km_free...oops!

>From rmind@.

diffstat:

 sys/external/bsd/drm2/linux/linux_kmap.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r 230ecd30c447 -r 19d47e034f6d sys/external/bsd/drm2/linux/linux_kmap.c
--- a/sys/external/bsd/drm2/linux/linux_kmap.c  Fri Mar 28 23:19:41 2014 +0000
+++ b/sys/external/bsd/drm2/linux/linux_kmap.c  Fri Mar 28 23:22:27 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_kmap.c,v 1.3 2014/03/28 23:19:41 riastradh Exp $ */
+/*     $NetBSD: linux_kmap.c,v 1.4 2014/03/28 23:22:27 riastradh Exp $ */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_kmap.c,v 1.3 2014/03/28 23:19:41 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_kmap.c,v 1.4 2014/03/28 23:22:27 riastradh Exp $");
 
 #include <sys/types.h>
 #include <sys/kmem.h>
@@ -222,4 +222,6 @@
 
        pmap_kremove(vaddr, PAGE_SIZE);
        pmap_update(pmap_kernel());
+
+       uvm_km_free(kernel_map, vaddr, PAGE_SIZE, UVM_KMF_VAONLY);
 }