summaryrefslogtreecommitdiff
path: root/mysys
diff options
context:
space:
mode:
Diffstat (limited to 'mysys')
-rw-r--r--mysys/tree.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mysys/tree.c b/mysys/tree.c
index f62710f4cdd..e02033ff413 100644
--- a/mysys/tree.c
+++ b/mysys/tree.c
@@ -97,7 +97,8 @@ void init_tree(TREE *tree, uint default_alloc_size, uint memory_limit,
DBUG_ENTER("init_tree");
DBUG_PRINT("enter",("tree: %lx size: %d",tree,size));
- default_alloc_size=DEFAULT_ALLOC_SIZE;
+ if (!default_alloc_size)
+ default_alloc_size= DEFAULT_ALLOC_SIZE;
bzero((gptr) &tree->null_element,sizeof(tree->null_element));
tree->root= &tree->null_element;
tree->compare=compare;