[src/trunk]: src/sys/ufs/chfs Plug memory leaks in error returns in chfs_read...

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

details:   https://anonhg.NetBSD.org/src/rev/e82e744f81ea
branches:  trunk
changeset: 331947:e82e744f81ea
user:      he <he%NetBSD.org@localhost>
date:      Mon Sep 01 16:33:20 2014 +0000

description:
Plug memory leaks in error returns in chfs_readvnode().

diffstat:

 sys/ufs/chfs/chfs_vnode.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r 36539efed0e5 -r e82e744f81ea sys/ufs/chfs/chfs_vnode.c
--- a/sys/ufs/chfs/chfs_vnode.c Mon Sep 01 16:31:17 2014 +0000
+++ b/sys/ufs/chfs/chfs_vnode.c Mon Sep 01 16:33:20 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: chfs_vnode.c,v 1.10 2014/01/23 10:13:57 hannken Exp $  */
+/*     $NetBSD: chfs_vnode.c,v 1.11 2014/09/01 16:33:20 he Exp $       */
 
 /*-
  * Copyright (c) 2010 Department of Software Engineering,
@@ -94,11 +94,14 @@
                buf = kmem_alloc(len, KM_SLEEP);
                err = chfs_read_leb(chmp, chvc->v->nref_lnr, buf,
                    CHFS_GET_OFS(chvc->v->nref_offset), len, &retlen);
-               if (err)
+               if (err) {
+                       kmem_free(buf, len);
                        return err;
+               }
                if (retlen != len) {
                        chfs_err("Error reading vnode: read: %zu insted of: %zu\n",
                            len, retlen);
+                       kmem_free(buf, len);
                        return EIO;
                }
                chfvn = (struct chfs_flash_vnode*)buf;