From 85a5eb94998763c43149b97b81f0a4b4904c6da8 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <mail@cynapses.org>
Date: Wed, 22 Jul 2009 16:04:41 +0200
Subject: [PATCH] Fix a segfault if a NULL pointer is passed to
 ssh_disconnect().

---
 libssh/client.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libssh/client.c b/libssh/client.c
index 941fd0ee..3f56a7b1 100644
--- a/libssh/client.c
+++ b/libssh/client.c
@@ -623,13 +623,12 @@ char *ssh_get_issue_banner(SSH_SESSION *session) {
 void ssh_disconnect(SSH_SESSION *session) {
   STRING *str = NULL;
 
-  enter_function();
-
   if (session == NULL) {
-    leave_function();
     return;
   }
 
+  enter_function();
+
   if (ssh_socket_is_open(session->socket)) {
     if (buffer_add_u8(session->out_buffer, SSH2_MSG_DISCONNECT) < 0) {
       goto error;