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-rw-r--r--libdiskfs/dir-lookup.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/libdiskfs/dir-lookup.c b/libdiskfs/dir-lookup.c
index 56c9587e..7e092908 100644
--- a/libdiskfs/dir-lookup.c
+++ b/libdiskfs/dir-lookup.c
@@ -1,6 +1,6 @@
/* libdiskfs implementation of fs.defs:dir_lookup
- Copyright (C) 1992,93,94,95,96,97,98,99,2000,01,02
- Free Software Foundation, Inc.
+ Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+ 2002, 2008 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -53,8 +53,8 @@ diskfs_S_dir_lookup (struct protid *dircred,
int mustbedir = 0;
size_t amt;
int type;
- struct protid *newpi;
- struct peropen *newpo;
+ struct protid *newpi = 0;
+ struct peropen *newpo = 0;
if (!dircred)
return EOPNOTSUPP;
@@ -257,8 +257,8 @@ diskfs_S_dir_lookup (struct protid *dircred,
if (! error)
{
error = diskfs_create_protid (newpo, user, &newpi);
- if (error)
- diskfs_release_peropen (newpo);
+ if (! error)
+ newpo = 0;
}
iohelp_free_iouser (user);
@@ -269,6 +269,7 @@ diskfs_S_dir_lookup (struct protid *dircred,
dirport = ports_get_send_right (newpi);
ports_port_deref (newpi);
+ newpi = 0;
if (np != dnp)
mutex_unlock (&dnp->lock);
@@ -460,28 +461,24 @@ diskfs_S_dir_lookup (struct protid *dircred,
dircred->po, &newpo);
if (! error)
- {
- error = diskfs_create_protid (newpo, dircred->user, &newpi);
- if (error)
- diskfs_release_peropen (newpo);
- }
+ error = diskfs_create_protid (newpo, dircred->user, &newpi);
if (! error)
{
+ newpo = 0;
if (flags & O_EXLOCK)
error = fshelp_acquire_lock (&np->userlock, &newpi->po->lock_status,
&np->lock, LOCK_EX);
else if (flags & O_SHLOCK)
error = fshelp_acquire_lock (&np->userlock, &newpi->po->lock_status,
&np->lock, LOCK_SH);
- if (error)
- ports_port_deref (newpi); /* Get rid of NEWPI. */
}
if (! error)
{
*returned_port = ports_get_right (newpi);
ports_port_deref (newpi);
+ newpi = 0;
}
out:
@@ -495,5 +492,10 @@ diskfs_S_dir_lookup (struct protid *dircred,
if (dnp)
diskfs_nput (dnp);
+ if (newpi)
+ ports_port_deref (newpi);
+ if (newpo)
+ diskfs_release_peropen (newpo);
+
return error;
}