diff options
Diffstat (limited to 'ext2fs/dir.c')
| -rw-r--r-- | ext2fs/dir.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/ext2fs/dir.c b/ext2fs/dir.c index a31df4e2..f1ea285c 100644 --- a/ext2fs/dir.c +++ b/ext2fs/dir.c @@ -1,6 +1,6 @@ /* Directory management routines - Copyright (C) 1994, 1995, 1996 Free Software Foundation, Inc. + Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc. Converted for ext2fs by Miles Bader <miles@gnu.ai.mit.edu> @@ -153,6 +153,10 @@ diskfs_lookup_hard (struct node *dp, char *name, enum lookup_type type, /* Map in the directory contents. */ memobj = diskfs_get_filemap (dp, prot); + + if (memobj == MACH_PORT_NULL) + return errno; + buf = 0; /* We allow extra space in case we have to do an EXTEND. */ buflen = round_page (dp->dn_stat.st_size + DIRBLKSIZ); @@ -716,6 +720,10 @@ diskfs_dirempty (struct node *dp, struct protid *cred) int hit = 0; /* Found something in the directory. */ memory_object_t memobj = diskfs_get_filemap (dp, VM_PROT_READ); + if (memobj == MACH_PORT_NULL) + /* XXX should reflect error properly. */ + return 0; + err = vm_map (mach_task_self (), &buf, dp->dn_stat.st_size, 0, 1, memobj, 0, 0, VM_PROT_READ, VM_PROT_READ, 0); mach_port_deallocate (mach_task_self (), memobj); |