diff options
| -rw-r--r-- | libdiskfs/io-identity.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/libdiskfs/io-identity.c b/libdiskfs/io-identity.c index 4734a534..7ac335ae 100644 --- a/libdiskfs/io-identity.c +++ b/libdiskfs/io-identity.c @@ -1,5 +1,5 @@ /* libdiskfs implementation of io_identity RPC - Copyright (C) 1996 Free Software Foundation, Inc. + Copyright (C) 1996, 1997 Free Software Foundation, Inc. Written by Michael I. Bushnell, p/BSG. This file is part of the GNU Hurd. @@ -43,14 +43,21 @@ diskfs_S_io_identity (struct protid *cred, mutex_unlock (&np->lock); err = fshelp_get_identity (diskfs_port_bucket, inum, id); - if (!err) + if (! err) + if (cred->po->shadow_root && cred->po->shadow_root != diskfs_root_node) + { + err = fshelp_get_identity (diskfs_port_bucket, inum, fsys); + if (err) + mach_port_deallocate (mach_task_self (), *id); + } + else + *fsys = diskfs_fsys_identity; + if (! err) { *idtype = MACH_MSG_TYPE_MAKE_SEND; - *fsys = diskfs_fsys_identity; *fsystype = MACH_MSG_TYPE_MAKE_SEND; *fileno = np->dn_stat.st_ino; } - mutex_unlock (&np->lock); return err; } |