[src/trunk]: src/sys/miscfs/procfs PR/48048: Add a missing vm_map_unlock_read...

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

details:   https://anonhg.NetBSD.org/src/rev/ba6bdb646c00
branches:  trunk
changeset: 788683:ba6bdb646c00
user:      ryo <ryo%NetBSD.org@localhost>
date:      Thu Jul 18 07:59:44 2013 +0000

description:
PR/48048: Add a missing vm_map_unlock_read() and uvmspace_free() to the ENOMEM error case in procfs_domap()d

diffstat:

 sys/miscfs/procfs/procfs_map.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 4cef36732740 -r ba6bdb646c00 sys/miscfs/procfs/procfs_map.c
--- a/sys/miscfs/procfs/procfs_map.c    Thu Jul 18 06:39:18 2013 +0000
+++ b/sys/miscfs/procfs/procfs_map.c    Thu Jul 18 07:59:44 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: procfs_map.c,v 1.42 2012/05/06 03:13:11 christos Exp $ */
+/*     $NetBSD: procfs_map.c,v 1.43 2013/07/18 07:59:44 ryo Exp $      */
 
 /*
  * Copyright (c) 1993
@@ -76,7 +76,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: procfs_map.c,v 1.42 2012/05/06 03:13:11 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: procfs_map.c,v 1.43 2013/07/18 07:59:44 ryo Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -208,6 +208,8 @@
                        bufsize <<= 1;
                        if (bufsize > MAXBUFFERSIZE) {
                                error = ENOMEM;
+                               vm_map_unlock_read(map);
+                               uvmspace_free(vm);
                                goto out;
                        }
                        free(buffer, M_TEMP);