tdb2: restore file filling code.

This snuck in fe55330a which added the stats attribute.  Without it,
TDB works but is vulnerable to segmenation faults or write errors when
disk is exhausted.

diff --git a/ccan/tdb2/io.c b/ccan/tdb2/io.c
index dffd088510c186377d433b292b63f7fca7e117d8..f326d98ba6d03e4c49e37409ae61280ae8a894bb 100644 (file)
--- a/ccan/tdb2/io.c
+++ b/ccan/tdb2/io.c
@@ -404,7 +404,7 @@ static int tdb_expand_file(struct tdb_context *tdb, tdb_len_t addition)
                   file isn't sparse, which would be very bad if we ran out of
                   disk. This must be done with write, not via mmap */
                memset(buf, 0x43, sizeof(buf));
-               if (0 || fill(tdb, buf, sizeof(buf), tdb->map_size, addition) == -1)
+               if (fill(tdb, buf, sizeof(buf), tdb->map_size, addition) == -1)
                        return -1;
                tdb->map_size += addition;
                tdb_mmap(tdb);