diff options
Diffstat (limited to 'playtree.c')
-rw-r--r-- | playtree.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/playtree.c b/playtree.c index f9dc4f2d74..7662ce0439 100644 --- a/playtree.c +++ b/playtree.c @@ -477,6 +477,9 @@ int play_tree_iter_step(play_tree_iter_t* iter, int d,int with_nodes) { play_tree_t* pt; + if ( !iter ) return PLAY_TREE_ITER_ENTRY; + if ( !iter->root ) return PLAY_TREE_ITER_ENTRY; + #ifdef MP_DEBUG assert(iter != NULL); assert(iter->root != NULL); |