diff options
| -rw-r--r-- | source3/tdb/tdb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source3/tdb/tdb.c b/source3/tdb/tdb.c index 4d4fb79383..c27f03fc35 100644 --- a/source3/tdb/tdb.c +++ b/source3/tdb/tdb.c @@ -87,7 +87,13 @@ static void tdb_mmap(TDB_CONTEXT *tdb) tdb->map_ptr = mmap(NULL, tdb->map_size, PROT_READ|(tdb->read_only? 0:PROT_WRITE), MAP_SHARED|MAP_FILE, tdb->fd, 0); - if (!tdb->map_ptr) { + + /* + * NB. When mmap fails it returns -1 *NOT* NULL !!!! + */ + + if (tdb->map_ptr == (void *)-1) { + tdb->map_ptr = NULL; TDB_LOG((tdb, 2, "tdb_mmap failed for size %d (%s)\n", tdb->map_size, strerror(errno))); } |