[src/trunk]: src/sys/fs/tmpfs do no access uninitialized variables in KASSERT...

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

details:   https://anonhg.NetBSD.org/src/rev/9d28a4a6a307
branches:  trunk
changeset: 344082:9d28a4a6a307
user:      kardel <kardel%NetBSD.org@localhost>
date:      Sat Mar 12 10:51:00 2016 +0000

description:
do no access uninitialized variables in KASSERTs - fixes build

diffstat:

 sys/fs/tmpfs/tmpfs_vnops.c |  10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diffs (36 lines):

diff -r 9934cf136579 -r 9d28a4a6a307 sys/fs/tmpfs/tmpfs_vnops.c
--- a/sys/fs/tmpfs/tmpfs_vnops.c        Sat Mar 12 08:55:54 2016 +0000
+++ b/sys/fs/tmpfs/tmpfs_vnops.c        Sat Mar 12 10:51:00 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: tmpfs_vnops.c,v 1.124 2016/03/12 08:51:13 joerg Exp $  */
+/*     $NetBSD: tmpfs_vnops.c,v 1.125 2016/03/12 10:51:00 kardel Exp $ */
 
 /*
  * Copyright (c) 2005, 2006, 2007 The NetBSD Foundation, Inc.
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tmpfs_vnops.c,v 1.124 2016/03/12 08:51:13 joerg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tmpfs_vnops.c,v 1.125 2016/03/12 10:51:00 kardel Exp $");
 
 #include <sys/param.h>
 #include <sys/dirent.h>
@@ -572,14 +572,14 @@
 
        KASSERT(VOP_ISLOCKED(vp));
 
+       node = VP_TO_TMPFS_NODE(vp);
+       oldsize = node->tn_size;
+
        if ((vp->v_mount->mnt_flag & MNT_RDONLY) != 0) {
                error = EROFS;
                goto out;
        }
 
-       node = VP_TO_TMPFS_NODE(vp);
-       oldsize = node->tn_size;
-
        if (uio->uio_offset < 0 || vp->v_type != VREG) {
                error = EINVAL;
                goto out;