diff options
Diffstat (limited to 'libdiskfs/rdwr-internal.c')
| -rw-r--r-- | libdiskfs/rdwr-internal.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libdiskfs/rdwr-internal.c b/libdiskfs/rdwr-internal.c index 9fe42ade..046467a3 100644 --- a/libdiskfs/rdwr-internal.c +++ b/libdiskfs/rdwr-internal.c @@ -1,5 +1,5 @@ /* - Copyright (C) 1994, 1995, 1996 Free Software Foundation + Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -51,6 +51,9 @@ _diskfs_rdwr_internal (struct node *np, memobj = diskfs_get_filemap (np, prot); + if (memobj == MACH_PORT_NULL) + return errno; + err = pager_memcpy (diskfs_get_filemap_pager_struct (np), memobj, offset, data, amt, prot); |