[src/trunk]: src/sys/rump/librump/rumpvfs Fix memory leak on error case, as r...

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

details:   https://anonhg.NetBSD.org/src/rev/846edc95a451
branches:  trunk
changeset: 801777:846edc95a451
user:      justin <justin%NetBSD.org@localhost>
date:      Sun Aug 17 19:28:46 2014 +0000

description:
Fix memory leak on error case, as reported in
http://m00nbsd.net/ae123a9bae03f7dde5c6d654412daf5a.html#Report-2

diffstat:

 sys/rump/librump/rumpvfs/rumpfs.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r 90a86fd4fcb0 -r 846edc95a451 sys/rump/librump/rumpvfs/rumpfs.c
--- a/sys/rump/librump/rumpvfs/rumpfs.c Sun Aug 17 19:12:59 2014 +0000
+++ b/sys/rump/librump/rumpvfs/rumpfs.c Sun Aug 17 19:28:46 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rumpfs.c,v 1.129 2014/06/13 15:45:02 pooka Exp $       */
+/*     $NetBSD: rumpfs.c,v 1.130 2014/08/17 19:28:46 justin Exp $      */
 
 /*
  * Copyright (c) 2009, 2010, 2011 Antti Kantee.  All Rights Reserved.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.129 2014/06/13 15:45:02 pooka Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rumpfs.c,v 1.130 2014/08/17 19:28:46 justin Exp $");
 
 #include <sys/param.h>
 #include <sys/atomic.h>
@@ -1740,8 +1740,10 @@
 
        rn = makeprivate(VDIR, RUMPFS_DEFAULTMODE, NODEV, DEV_BSIZE, false);
        rn->rn_parent = rn;
-       if ((error = makevnode(mp, rn, &rfsmp->rfsmp_rvp)) != 0)
+       if ((error = makevnode(mp, rn, &rfsmp->rfsmp_rvp)) != 0) {
+               kmem_free(rfsmp, sizeof(*rfsmp));
                return error;
+       }
 
        rfsmp->rfsmp_rvp->v_vflag |= VV_ROOT;