tdb2: fix remapping inside tdb_traverse_read

[ccan] / ccan / tdb2 / tdb.c

diff --git a/ccan/tdb2/tdb.c b/ccan/tdb2/tdb.c
index 1a229dc2b94c1538e5093a8df55d74b8dd8d74f8..7dc5aafbfc254c7d865813e34172e0b29893423d 100644 (file)
--- a/ccan/tdb2/tdb.c
+++ b/ccan/tdb2/tdb.c
@@ -234,8 +234,11 @@ struct tdb_context *tdb_open(const char *name, int tdb_flags,
                tdb->read_only = true;
                /* read only databases don't do locking */
                tdb->flags |= TDB_NOLOCK;
-       } else
+               tdb->mmap_flags = PROT_READ;
+       } else {
                tdb->read_only = false;
+               tdb->mmap_flags = PROT_READ | PROT_WRITE;
+       }
 
        /* internal databases don't need any of the rest. */
        if (tdb->flags & TDB_INTERNAL) {