lib-storage: Make mailbox_tree_deinit() and mailbox_tree_iterate_deinit() no-ops...

diff --git a/src/lib-storage/mailbox-tree.c b/src/lib-storage/mailbox-tree.c
index 7e292f950ca7d4280130497efab616dcf9e3a94d..94945aeae33c561cc13abfe526fcb86342336cc9 100644 (file)
--- a/src/lib-storage/mailbox-tree.c
+++ b/src/lib-storage/mailbox-tree.c
@@ -52,6 +52,8 @@ void mailbox_tree_deinit(struct mailbox_tree_context **_tree)
        struct mailbox_tree_context *tree = *_tree;
 
        *_tree = NULL;
+       if (tree == NULL)
+               return;
        pool_unref(&tree->pool);
        i_free(tree);
 }
@@ -260,6 +262,8 @@ void mailbox_tree_iterate_deinit(struct mailbox_tree_iterate_context **_ctx)
        struct mailbox_tree_iterate_context *ctx = *_ctx;
 
        *_ctx = NULL;
+       if (ctx == NULL)
+               return;
        str_free(&ctx->path_str);
        array_free(&ctx->node_path);
        i_free(ctx);