don't dereference null pointer

(This used to be commit ba5d1cde98f9146ffc889ac89ec79331e2bfae18)

diff --git a/source4/libcli/cliconnect.c b/source4/libcli/cliconnect.c
index 03112176d48b46f583714c1eda3ed1a1717521cf..ea5f4e8a5dce74f02be3f942389c24829a58cdc9 100644 (file)
--- a/source4/libcli/cliconnect.c
+++ b/source4/libcli/cliconnect.c
@@ -211,7 +211,7 @@ struct cli_state *cli_state_init(void)
 ****************************************************************************/
 void cli_shutdown(struct cli_state *cli)
 {
-       if (!cli) return;
+       if (!cli || !cli->tree) return;
        cli->tree->reference_count++;
        cli_tree_close(cli->tree);
        if (cli->mem_ctx) {